Home / 12,306,044.10-18,459,066.15-8,715,864.90

Finding the Fourth Proportional to 12,306,044.10, 18,459,066.15 and 8,715,864.90

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Solution

The fourth proportional to 12,306,044.10, 18,459,066.15 and 8,715,864.90 is: 13,073,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306,044.10 : 18,459,066.15 = 8,715,864.90 : x
  2. Step 2: Convert to fraction form
    12,306,044.10/18,459,066.15 = 8,715,864.90/x
  3. Step 3: Cross multiply
    12,306,044.10x = 18,459,066.15 × 8,715,864.90
  4. Step 4: Simplify right side
    12,306,044.10x = 160,886,726,743,563.12
  5. Step 5: Solve for x
    x = 160,886,726,743,563.12/12,306,044.10
  6. Step 6: Final answer
    x = 13,073,797.35

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1.5x scale

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.