Home / 12,779,695.38-19,155,343.94-9,737,030.28

Finding the Fourth Proportional to 12,779,695.38, 19,155,343.94 and 9,737,030.28

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Solution

The fourth proportional to 12,779,695.38, 19,155,343.94 and 9,737,030.28 is: 14,594,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,695.38 : 19,155,343.94 = 9,737,030.28 : x
  2. Step 2: Convert to fraction form
    12,779,695.38/19,155,343.94 = 9,737,030.28/x
  3. Step 3: Cross multiply
    12,779,695.38x = 19,155,343.94 × 9,737,030.28
  4. Step 4: Simplify right side
    12,779,695.38x = 186,516,163,871,020.97
  5. Step 5: Solve for x
    x = 186,516,163,871,020.97/12,779,695.38
  6. Step 6: Final answer
    x = 14,594,726.90

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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.