Home / 13,563,542.40-20,343,345.30-3,977,921.40

Finding the Fourth Proportional to 13,563,542.40, 20,343,345.30 and 3,977,921.40

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Solution

The fourth proportional to 13,563,542.40, 20,343,345.30 and 3,977,921.40 is: 5,966,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,542.40 : 20,343,345.30 = 3,977,921.40 : x
  2. Step 2: Convert to fraction form
    13,563,542.40/20,343,345.30 = 3,977,921.40/x
  3. Step 3: Cross multiply
    13,563,542.40x = 20,343,345.30 × 3,977,921.40
  4. Step 4: Simplify right side
    13,563,542.40x = 80,924,228,616,459.42
  5. Step 5: Solve for x
    x = 80,924,228,616,459.42/13,563,542.40
  6. Step 6: Final answer
    x = 5,966,304.84

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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.