Home / 39,042,005.40-58,563,008.10-19,910,129.40

Finding the Fourth Proportional to 39,042,005.40, 58,563,008.10 and 19,910,129.40

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Solution

The fourth proportional to 39,042,005.40, 58,563,008.10 and 19,910,129.40 is: 29,865,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,042,005.40 : 58,563,008.10 = 19,910,129.40 : x
  2. Step 2: Convert to fraction form
    39,042,005.40/58,563,008.10 = 19,910,129.40/x
  3. Step 3: Cross multiply
    39,042,005.40x = 58,563,008.10 × 19,910,129.40
  4. Step 4: Simplify right side
    39,042,005.40x = 1,165,997,069,324,248
  5. Step 5: Solve for x
    x = 1,165,997,069,324,248/39,042,005.40
  6. Step 6: Final answer
    x = 29,865,194.10

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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.