Home / 10,752,681.40-16,129,022.10-9,657,820.60

Finding the Fourth Proportional to 10,752,681.40, 16,129,022.10 and 9,657,820.60

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Solution

The fourth proportional to 10,752,681.40, 16,129,022.10 and 9,657,820.60 is: 14,486,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,681.40 : 16,129,022.10 = 9,657,820.60 : x
  2. Step 2: Convert to fraction form
    10,752,681.40/16,129,022.10 = 9,657,820.60/x
  3. Step 3: Cross multiply
    10,752,681.40x = 16,129,022.10 × 9,657,820.60
  4. Step 4: Simplify right side
    10,752,681.40x = 155,771,201,895,235.25
  5. Step 5: Solve for x
    x = 155,771,201,895,235.25/10,752,681.40
  6. Step 6: Final answer
    x = 14,486,730.90

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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.