Home / 20,364,925.49-28,103,499.61-11,997,153.19

Finding the Fourth Proportional to 20,364,925.49, 28,103,499.61 and 11,997,153.19

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Solution

The fourth proportional to 20,364,925.49, 28,103,499.61 and 11,997,153.19 is: 16,556,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364,925.49 : 28,103,499.61 = 11,997,153.19 : x
  2. Step 2: Convert to fraction form
    20,364,925.49/28,103,499.61 = 11,997,153.19/x
  3. Step 3: Cross multiply
    20,364,925.49x = 28,103,499.61 × 11,997,153.19
  4. Step 4: Simplify right side
    20,364,925.49x = 337,161,989,896,023.62
  5. Step 5: Solve for x
    x = 337,161,989,896,023.62/20,364,925.49
  6. Step 6: Final answer
    x = 16,556,013.92

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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.