Home / 42,321,858.70-63,482,788.05-13,588,615.30

Finding the Fourth Proportional to 42,321,858.70, 63,482,788.05 and 13,588,615.30

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Solution

The fourth proportional to 42,321,858.70, 63,482,788.05 and 13,588,615.30 is: 20,382,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,321,858.70 : 63,482,788.05 = 13,588,615.30 : x
  2. Step 2: Convert to fraction form
    42,321,858.70/63,482,788.05 = 13,588,615.30/x
  3. Step 3: Cross multiply
    42,321,858.70x = 63,482,788.05 × 13,588,615.30
  4. Step 4: Simplify right side
    42,321,858.70x = 862,643,184,982,887.12
  5. Step 5: Solve for x
    x = 862,643,184,982,887.12/42,321,858.70
  6. Step 6: Final answer
    x = 20,382,922.95

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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.