Home / 20,779,614.78-28,676,048.94-11,487,034.50

Finding the Fourth Proportional to 20,779,614.78, 28,676,048.94 and 11,487,034.50

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Solution

The fourth proportional to 20,779,614.78, 28,676,048.94 and 11,487,034.50 is: 15,852,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,779,614.78 : 28,676,048.94 = 11,487,034.50 : x
  2. Step 2: Convert to fraction form
    20,779,614.78/28,676,048.94 = 11,487,034.50/x
  3. Step 3: Cross multiply
    20,779,614.78x = 28,676,048.94 × 11,487,034.50
  4. Step 4: Simplify right side
    20,779,614.78x = 329,402,763,497,468.44
  5. Step 5: Solve for x
    x = 329,402,763,497,468.44/20,779,614.78
  6. Step 6: Final answer
    x = 15,852,207.42

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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.