Home / 38,597,753.80-53,262,478.02-21,193,977.16

Finding the Fourth Proportional to 38,597,753.80, 53,262,478.02 and 21,193,977.16

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Solution

The fourth proportional to 38,597,753.80, 53,262,478.02 and 21,193,977.16 is: 29,246,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,597,753.80 : 53,262,478.02 = 21,193,977.16 : x
  2. Step 2: Convert to fraction form
    38,597,753.80/53,262,478.02 = 21,193,977.16/x
  3. Step 3: Cross multiply
    38,597,753.80x = 53,262,478.02 × 21,193,977.16
  4. Step 4: Simplify right side
    38,597,753.80x = 1,128,843,742,640,882
  5. Step 5: Solve for x
    x = 1,128,843,742,640,882/38,597,753.80
  6. Step 6: Final answer
    x = 29,246,358.44

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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.