Home / 42,580,925.83-63,871,388.75-13,437,718.53

Finding the Fourth Proportional to 42,580,925.83, 63,871,388.75 and 13,437,718.53

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Solution

The fourth proportional to 42,580,925.83, 63,871,388.75 and 13,437,718.53 is: 20,156,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,580,925.83 : 63,871,388.75 = 13,437,718.53 : x
  2. Step 2: Convert to fraction form
    42,580,925.83/63,871,388.75 = 13,437,718.53/x
  3. Step 3: Cross multiply
    42,580,925.83x = 63,871,388.75 × 13,437,718.53
  4. Step 4: Simplify right side
    42,580,925.83x = 858,285,744,142,708.50
  5. Step 5: Solve for x
    x = 858,285,744,142,708.50/42,580,925.83
  6. Step 6: Final answer
    x = 20,156,577.80

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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.