Home / 39,428,966.12-59,149,052.76-12,137,529.20

Finding the Fourth Proportional to 39,428,966.12, 59,149,052.76 and 12,137,529.20

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Solution

The fourth proportional to 39,428,966.12, 59,149,052.76 and 12,137,529.20 is: 18,208,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428,966.12 : 59,149,052.76 = 12,137,529.20 : x
  2. Step 2: Convert to fraction form
    39,428,966.12/59,149,052.76 = 12,137,529.20/x
  3. Step 3: Cross multiply
    39,428,966.12x = 59,149,052.76 × 12,137,529.20
  4. Step 4: Simplify right side
    39,428,966.12x = 717,923,355,026,840.50
  5. Step 5: Solve for x
    x = 717,923,355,026,840.50/39,428,966.12
  6. Step 6: Final answer
    x = 18,208,018.77

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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.