Home / 38,742,937.20-53,465,251.50-21,339,282.96

Finding the Fourth Proportional to 38,742,937.20, 53,465,251.50 and 21,339,282.96

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Solution

The fourth proportional to 38,742,937.20, 53,465,251.50 and 21,339,282.96 is: 29,448,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742,937.20 : 53,465,251.50 = 21,339,282.96 : x
  2. Step 2: Convert to fraction form
    38,742,937.20/53,465,251.50 = 21,339,282.96/x
  3. Step 3: Cross multiply
    38,742,937.20x = 53,465,251.50 × 21,339,282.96
  4. Step 4: Simplify right side
    38,742,937.20x = 1,140,910,130,286,064.50
  5. Step 5: Solve for x
    x = 1,140,910,130,286,064.50/38,742,937.20
  6. Step 6: Final answer
    x = 29,448,209.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.