Home / 42,624,195.40-63,862,809.90-19,858,400.20

Finding the Fourth Proportional to 42,624,195.40, 63,862,809.90 and 19,858,400.20

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Solution

The fourth proportional to 42,624,195.40, 63,862,809.90 and 19,858,400.20 is: 29,753,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624,195.40 : 63,862,809.90 = 19,858,400.20 : x
  2. Step 2: Convert to fraction form
    42,624,195.40/63,862,809.90 = 19,858,400.20/x
  3. Step 3: Cross multiply
    42,624,195.40x = 63,862,809.90 × 19,858,400.20
  4. Step 4: Simplify right side
    42,624,195.40x = 1,268,213,236,890,722
  5. Step 5: Solve for x
    x = 1,268,213,236,890,722/42,624,195.40
  6. Step 6: Final answer
    x = 29,753,364.84

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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.