Home / 20,734,780.52-28,614,009.42-11,567,423.24

Finding the Fourth Proportional to 20,734,780.52, 28,614,009.42 and 11,567,423.24

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Solution

The fourth proportional to 20,734,780.52, 28,614,009.42 and 11,567,423.24 is: 15,963,050.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,780.52 : 28,614,009.42 = 11,567,423.24 : x
  2. Step 2: Convert to fraction form
    20,734,780.52/28,614,009.42 = 11,567,423.24/x
  3. Step 3: Cross multiply
    20,734,780.52x = 28,614,009.42 × 11,567,423.24
  4. Step 4: Simplify right side
    20,734,780.52x = 330,990,357,554,486.94
  5. Step 5: Solve for x
    x = 330,990,357,554,486.94/20,734,780.52
  6. Step 6: Final answer
    x = 15,963,050.93

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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.