Home / 13,935,418.47-19,231,182.11-7,656,026.72

Finding the Fourth Proportional to 13,935,418.47, 19,231,182.11 and 7,656,026.72

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Solution

The fourth proportional to 13,935,418.47, 19,231,182.11 and 7,656,026.72 is: 10,565,484.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,418.47 : 19,231,182.11 = 7,656,026.72 : x
  2. Step 2: Convert to fraction form
    13,935,418.47/19,231,182.11 = 7,656,026.72/x
  3. Step 3: Cross multiply
    13,935,418.47x = 19,231,182.11 × 7,656,026.72
  4. Step 4: Simplify right side
    13,935,418.47x = 147,234,444,086,447.06
  5. Step 5: Solve for x
    x = 147,234,444,086,447.06/13,935,418.47
  6. Step 6: Final answer
    x = 10,565,484.23

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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.