Home / 20,367,151.48-28,106,702.58-11,074,712.92

Finding the Fourth Proportional to 20,367,151.48, 28,106,702.58 and 11,074,712.92

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Solution

The fourth proportional to 20,367,151.48, 28,106,702.58 and 11,074,712.92 is: 15,283,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367,151.48 : 28,106,702.58 = 11,074,712.92 : x
  2. Step 2: Convert to fraction form
    20,367,151.48/28,106,702.58 = 11,074,712.92/x
  3. Step 3: Cross multiply
    20,367,151.48x = 28,106,702.58 × 11,074,712.92
  4. Step 4: Simplify right side
    20,367,151.48x = 311,273,662,201,323.31
  5. Step 5: Solve for x
    x = 311,273,662,201,323.31/20,367,151.48
  6. Step 6: Final answer
    x = 15,283,122.07

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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.