Home / 15,178,444.56-20,942,897.22-9,299,320.92

Finding the Fourth Proportional to 15,178,444.56, 20,942,897.22 and 9,299,320.92

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Solution

The fourth proportional to 15,178,444.56, 20,942,897.22 and 9,299,320.92 is: 12,831,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,444.56 : 20,942,897.22 = 9,299,320.92 : x
  2. Step 2: Convert to fraction form
    15,178,444.56/20,942,897.22 = 9,299,320.92/x
  3. Step 3: Cross multiply
    15,178,444.56x = 20,942,897.22 × 9,299,320.92
  4. Step 4: Simplify right side
    15,178,444.56x = 194,754,722,243,355.84
  5. Step 5: Solve for x
    x = 194,754,722,243,355.84/15,178,444.56
  6. Step 6: Final answer
    x = 12,831,006.59

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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.