Home / 13,444,167.78-18,552,864.11-7,642,951.02

Finding the Fourth Proportional to 13,444,167.78, 18,552,864.11 and 7,642,951.02

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Solution

The fourth proportional to 13,444,167.78, 18,552,864.11 and 7,642,951.02 is: 10,547,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444,167.78 : 18,552,864.11 = 7,642,951.02 : x
  2. Step 2: Convert to fraction form
    13,444,167.78/18,552,864.11 = 7,642,951.02/x
  3. Step 3: Cross multiply
    13,444,167.78x = 18,552,864.11 × 7,642,951.02
  4. Step 4: Simplify right side
    13,444,167.78x = 141,798,631,635,231.12
  5. Step 5: Solve for x
    x = 141,798,631,635,231.12/13,444,167.78
  6. Step 6: Final answer
    x = 10,547,222.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.