Home / 42,580,927.08-63,871,390.62-13,437,719.78

Finding the Fourth Proportional to 42,580,927.08, 63,871,390.62 and 13,437,719.78

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Solution

The fourth proportional to 42,580,927.08, 63,871,390.62 and 13,437,719.78 is: 20,156,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,580,927.08 : 63,871,390.62 = 13,437,719.78 : x
  2. Step 2: Convert to fraction form
    42,580,927.08/63,871,390.62 = 13,437,719.78/x
  3. Step 3: Cross multiply
    42,580,927.08x = 63,871,390.62 × 13,437,719.78
  4. Step 4: Simplify right side
    42,580,927.08x = 858,285,848,791,123.50
  5. Step 5: Solve for x
    x = 858,285,848,791,123.50/42,580,927.08
  6. Step 6: Final answer
    x = 20,156,579.66

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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.