Home / 42,099,809.10-63,149,713.65-13,345,898.55

Finding the Fourth Proportional to 42,099,809.10, 63,149,713.65 and 13,345,898.55

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Solution

The fourth proportional to 42,099,809.10, 63,149,713.65 and 13,345,898.55 is: 20,018,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,099,809.10 : 63,149,713.65 = 13,345,898.55 : x
  2. Step 2: Convert to fraction form
    42,099,809.10/63,149,713.65 = 13,345,898.55/x
  3. Step 3: Cross multiply
    42,099,809.10x = 63,149,713.65 × 13,345,898.55
  4. Step 4: Simplify right side
    42,099,809.10x = 842,789,671,834,450.25
  5. Step 5: Solve for x
    x = 842,789,671,834,450.25/42,099,809.10
  6. Step 6: Final answer
    x = 20,018,847.83

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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.