Home / 13,352,815.89-20,026,421.28-3,765,952.40

Finding the Fourth Proportional to 13,352,815.89, 20,026,421.28 and 3,765,952.40

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Solution

The fourth proportional to 13,352,815.89, 20,026,421.28 and 3,765,952.40 is: 5,648,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352,815.89 : 20,026,421.28 = 3,765,952.40 : x
  2. Step 2: Convert to fraction form
    13,352,815.89/20,026,421.28 = 3,765,952.40/x
  3. Step 3: Cross multiply
    13,352,815.89x = 20,026,421.28 × 3,765,952.40
  4. Step 4: Simplify right side
    13,352,815.89x = 75,418,549,263,997.30
  5. Step 5: Solve for x
    x = 75,418,549,263,997.30/13,352,815.89
  6. Step 6: Final answer
    x = 5,648,138.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.