Home / 20,323,782.59-28,046,848.38-11,031,354.77

Finding the Fourth Proportional to 20,323,782.59, 28,046,848.38 and 11,031,354.77

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Solution

The fourth proportional to 20,323,782.59, 28,046,848.38 and 11,031,354.77 is: 15,223,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323,782.59 : 28,046,848.38 = 11,031,354.77 : x
  2. Step 2: Convert to fraction form
    20,323,782.59/28,046,848.38 = 11,031,354.77/x
  3. Step 3: Cross multiply
    20,323,782.59x = 28,046,848.38 × 11,031,354.77
  4. Step 4: Simplify right side
    20,323,782.59x = 309,394,734,660,179.75
  5. Step 5: Solve for x
    x = 309,394,734,660,179.75/20,323,782.59
  6. Step 6: Final answer
    x = 15,223,285.00

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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.