Home / 12,744,547.40-19,116,821.10-10,225,123.40

Finding the Fourth Proportional to 12,744,547.40, 19,116,821.10 and 10,225,123.40

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Solution

The fourth proportional to 12,744,547.40, 19,116,821.10 and 10,225,123.40 is: 15,337,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744,547.40 : 19,116,821.10 = 10,225,123.40 : x
  2. Step 2: Convert to fraction form
    12,744,547.40/19,116,821.10 = 10,225,123.40/x
  3. Step 3: Cross multiply
    12,744,547.40x = 19,116,821.10 × 10,225,123.40
  4. Step 4: Simplify right side
    12,744,547.40x = 195,471,854,763,223.75
  5. Step 5: Solve for x
    x = 195,471,854,763,223.75/12,744,547.40
  6. Step 6: Final answer
    x = 15,337,685.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.