Home / 13,306,501.20-19,960,407.90-6,929,209.20

Finding the Fourth Proportional to 13,306,501.20, 19,960,407.90 and 6,929,209.20

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Solution

The fourth proportional to 13,306,501.20, 19,960,407.90 and 6,929,209.20 is: 10,394,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,501.20 : 19,960,407.90 = 6,929,209.20 : x
  2. Step 2: Convert to fraction form
    13,306,501.20/19,960,407.90 = 6,929,209.20/x
  3. Step 3: Cross multiply
    13,306,501.20x = 19,960,407.90 × 6,929,209.20
  4. Step 4: Simplify right side
    13,306,501.20x = 138,309,842,056,432.67
  5. Step 5: Solve for x
    x = 138,309,842,056,432.67/13,306,501.20
  6. Step 6: Final answer
    x = 10,394,155.46

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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.