Home / 38,773,282.92-53,506,435.32-21,132,343.68

Finding the Fourth Proportional to 38,773,282.92, 53,506,435.32 and 21,132,343.68

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Solution

The fourth proportional to 38,773,282.92, 53,506,435.32 and 21,132,343.68 is: 29,162,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,773,282.92 : 53,506,435.32 = 21,132,343.68 : x
  2. Step 2: Convert to fraction form
    38,773,282.92/53,506,435.32 = 21,132,343.68/x
  3. Step 3: Cross multiply
    38,773,282.92x = 53,506,435.32 × 21,132,343.68
  4. Step 4: Simplify right side
    38,773,282.92x = 1,130,716,380,273,930.75
  5. Step 5: Solve for x
    x = 1,130,716,380,273,930.75/38,773,282.92
  6. Step 6: Final answer
    x = 29,162,255.43

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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.