Home / 8,144,364.70-12,216,547.05-5,416,300.90

Finding the Fourth Proportional to 8,144,364.70, 12,216,547.05 and 5,416,300.90

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Solution

The fourth proportional to 8,144,364.70, 12,216,547.05 and 5,416,300.90 is: 8,124,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144,364.70 : 12,216,547.05 = 5,416,300.90 : x
  2. Step 2: Convert to fraction form
    8,144,364.70/12,216,547.05 = 5,416,300.90/x
  3. Step 3: Cross multiply
    8,144,364.70x = 12,216,547.05 × 5,416,300.90
  4. Step 4: Simplify right side
    8,144,364.70x = 66,168,494,781,807.35
  5. Step 5: Solve for x
    x = 66,168,494,781,807.35/8,144,364.70
  6. Step 6: Final answer
    x = 8,124,451.35

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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.