Home / 39,387,909.96-59,081,029.83-13,128,644.34

Finding the Fourth Proportional to 39,387,909.96, 59,081,029.83 and 13,128,644.34

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Solution

The fourth proportional to 39,387,909.96, 59,081,029.83 and 13,128,644.34 is: 19,692,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,387,909.96 : 59,081,029.83 = 13,128,644.34 : x
  2. Step 2: Convert to fraction form
    39,387,909.96/59,081,029.83 = 13,128,644.34/x
  3. Step 3: Cross multiply
    39,387,909.96x = 59,081,029.83 × 13,128,644.34
  4. Step 4: Simplify right side
    39,387,909.96x = 775,653,827,879,000.62
  5. Step 5: Solve for x
    x = 775,653,827,879,000.62/39,387,909.96
  6. Step 6: Final answer
    x = 19,692,688.15

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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.