Home / 12,997,767.11-17,937,478.89-7,196,548.73

Finding the Fourth Proportional to 12,997,767.11, 17,937,478.89 and 7,196,548.73

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Solution

The fourth proportional to 12,997,767.11, 17,937,478.89 and 7,196,548.73 is: 9,931,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,767.11 : 17,937,478.89 = 7,196,548.73 : x
  2. Step 2: Convert to fraction form
    12,997,767.11/17,937,478.89 = 7,196,548.73/x
  3. Step 3: Cross multiply
    12,997,767.11x = 17,937,478.89 × 7,196,548.73
  4. Step 4: Simplify right side
    12,997,767.11x = 129,087,940,835,543.91
  5. Step 5: Solve for x
    x = 129,087,940,835,543.91/12,997,767.11
  6. Step 6: Final answer
    x = 9,931,547.46

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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.