Home / 20,487,566.59-28,272,500.38-11,194,932.51

Finding the Fourth Proportional to 20,487,566.59, 28,272,500.38 and 11,194,932.51

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Solution

The fourth proportional to 20,487,566.59, 28,272,500.38 and 11,194,932.51 is: 15,448,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,487,566.59 : 28,272,500.38 = 11,194,932.51 : x
  2. Step 2: Convert to fraction form
    20,487,566.59/28,272,500.38 = 11,194,932.51/x
  3. Step 3: Cross multiply
    20,487,566.59x = 28,272,500.38 × 11,194,932.51
  4. Step 4: Simplify right side
    20,487,566.59x = 316,508,733,643,049.31
  5. Step 5: Solve for x
    x = 316,508,733,643,049.31/20,487,566.59
  6. Step 6: Final answer
    x = 15,448,820.25

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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.