Home / 10,531,547.40-15,797,321.10-9,710,401.80

Finding the Fourth Proportional to 10,531,547.40, 15,797,321.10 and 9,710,401.80

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Solution

The fourth proportional to 10,531,547.40, 15,797,321.10 and 9,710,401.80 is: 14,565,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,547.40 : 15,797,321.10 = 9,710,401.80 : x
  2. Step 2: Convert to fraction form
    10,531,547.40/15,797,321.10 = 9,710,401.80/x
  3. Step 3: Cross multiply
    10,531,547.40x = 15,797,321.10 × 9,710,401.80
  4. Step 4: Simplify right side
    10,531,547.40x = 153,398,335,244,618
  5. Step 5: Solve for x
    x = 153,398,335,244,618/10,531,547.40
  6. Step 6: Final answer
    x = 14,565,602.70

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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.