Home / 39,419,280.64-59,129,058.12-12,125,388.16

Finding the Fourth Proportional to 39,419,280.64, 59,129,058.12 and 12,125,388.16

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Solution

The fourth proportional to 39,419,280.64, 59,129,058.12 and 12,125,388.16 is: 18,188,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,419,280.64 : 59,129,058.12 = 12,125,388.16 : x
  2. Step 2: Convert to fraction form
    39,419,280.64/59,129,058.12 = 12,125,388.16/x
  3. Step 3: Cross multiply
    39,419,280.64x = 59,129,058.12 × 12,125,388.16
  4. Step 4: Simplify right side
    39,419,280.64x = 716,962,781,240,199.88
  5. Step 5: Solve for x
    x = 716,962,781,240,199.88/39,419,280.64
  6. Step 6: Final answer
    x = 18,188,124.43

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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.