Home / 10,935,015.90-16,402,523.85-8,915,540.10

Finding the Fourth Proportional to 10,935,015.90, 16,402,523.85 and 8,915,540.10

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Solution

The fourth proportional to 10,935,015.90, 16,402,523.85 and 8,915,540.10 is: 13,373,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935,015.90 : 16,402,523.85 = 8,915,540.10 : x
  2. Step 2: Convert to fraction form
    10,935,015.90/16,402,523.85 = 8,915,540.10/x
  3. Step 3: Cross multiply
    10,935,015.90x = 16,402,523.85 × 8,915,540.10
  4. Step 4: Simplify right side
    10,935,015.90x = 146,237,359,125,881.38
  5. Step 5: Solve for x
    x = 146,237,359,125,881.38/10,935,015.90
  6. Step 6: Final answer
    x = 13,373,310.15

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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.