Home / 11,121,013.10-16,681,519.65-6,642,037.10

Finding the Fourth Proportional to 11,121,013.10, 16,681,519.65 and 6,642,037.10

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Solution

The fourth proportional to 11,121,013.10, 16,681,519.65 and 6,642,037.10 is: 9,963,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121,013.10 : 16,681,519.65 = 6,642,037.10 : x
  2. Step 2: Convert to fraction form
    11,121,013.10/16,681,519.65 = 6,642,037.10/x
  3. Step 3: Cross multiply
    11,121,013.10x = 16,681,519.65 × 6,642,037.10
  4. Step 4: Simplify right side
    11,121,013.10x = 110,799,272,399,679.02
  5. Step 5: Solve for x
    x = 110,799,272,399,679.02/11,121,013.10
  6. Step 6: Final answer
    x = 9,963,055.65

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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.