Home / 38,875,113.10-53,647,337.12-21,234,026.91

Finding the Fourth Proportional to 38,875,113.10, 53,647,337.12 and 21,234,026.91

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Solution

The fourth proportional to 38,875,113.10, 53,647,337.12 and 21,234,026.91 is: 29,302,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,875,113.10 : 53,647,337.12 = 21,234,026.91 : x
  2. Step 2: Convert to fraction form
    38,875,113.10/53,647,337.12 = 21,234,026.91/x
  3. Step 3: Cross multiply
    38,875,113.10x = 53,647,337.12 × 21,234,026.91
  4. Step 4: Simplify right side
    38,875,113.10x = 1,139,149,000,109,007
  5. Step 5: Solve for x
    x = 1,139,149,000,109,007/38,875,113.10
  6. Step 6: Final answer
    x = 29,302,782.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.