Home / 42,563,748.30-63,854,953.65-13,804,989.90

Finding the Fourth Proportional to 42,563,748.30, 63,854,953.65 and 13,804,989.90

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Solution

The fourth proportional to 42,563,748.30, 63,854,953.65 and 13,804,989.90 is: 20,710,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,563,748.30 : 63,854,953.65 = 13,804,989.90 : x
  2. Step 2: Convert to fraction form
    42,563,748.30/63,854,953.65 = 13,804,989.90/x
  3. Step 3: Cross multiply
    42,563,748.30x = 63,854,953.65 × 13,804,989.90
  4. Step 4: Simplify right side
    42,563,748.30x = 881,516,990,203,218.12
  5. Step 5: Solve for x
    x = 881,516,990,203,218.12/42,563,748.30
  6. Step 6: Final answer
    x = 20,710,511.30

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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.