Home / 12,950,002.10-19,432,001.55-5,762,645.30

Finding the Fourth Proportional to 12,950,002.10, 19,432,001.55 and 5,762,645.30

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Solution

The fourth proportional to 12,950,002.10, 19,432,001.55 and 5,762,645.30 is: 8,647,082.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,002.10 : 19,432,001.55 = 5,762,645.30 : x
  2. Step 2: Convert to fraction form
    12,950,002.10/19,432,001.55 = 5,762,645.30/x
  3. Step 3: Cross multiply
    12,950,002.10x = 19,432,001.55 × 5,762,645.30
  4. Step 4: Simplify right side
    12,950,002.10x = 111,979,732,401,700.22
  5. Step 5: Solve for x
    x = 111,979,732,401,700.22/12,950,002.10
  6. Step 6: Final answer
    x = 8,647,082.18

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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.