Home / 42,646,886.64-63,969,267.24-19,953,174.96

Finding the Fourth Proportional to 42,646,886.64, 63,969,267.24 and 19,953,174.96

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Solution

The fourth proportional to 42,646,886.64, 63,969,267.24 and 19,953,174.96 is: 29,929,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646,886.64 : 63,969,267.24 = 19,953,174.96 : x
  2. Step 2: Convert to fraction form
    42,646,886.64/63,969,267.24 = 19,953,174.96/x
  3. Step 3: Cross multiply
    42,646,886.64x = 63,969,267.24 × 19,953,174.96
  4. Step 4: Simplify right side
    42,646,886.64x = 1,276,389,981,302,716.50
  5. Step 5: Solve for x
    x = 1,276,389,981,302,716.50/42,646,886.64
  6. Step 6: Final answer
    x = 29,929,265.23

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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.