Home / 10,516,002.30-15,774,003.45-8,720,912.70

Finding the Fourth Proportional to 10,516,002.30, 15,774,003.45 and 8,720,912.70

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Solution

The fourth proportional to 10,516,002.30, 15,774,003.45 and 8,720,912.70 is: 13,081,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,002.30 : 15,774,003.45 = 8,720,912.70 : x
  2. Step 2: Convert to fraction form
    10,516,002.30/15,774,003.45 = 8,720,912.70/x
  3. Step 3: Cross multiply
    10,516,002.30x = 15,774,003.45 × 8,720,912.70
  4. Step 4: Simplify right side
    10,516,002.30x = 137,563,707,016,948.80
  5. Step 5: Solve for x
    x = 137,563,707,016,948.80/10,516,002.30
  6. Step 6: Final answer
    x = 13,081,369.05

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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.