Home / 10,000,397.64-13,800,549.20-5,416,719

Finding the Fourth Proportional to 10,000,397.64, 13,800,549.20 and 5,416,719

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Solution

The fourth proportional to 10,000,397.64, 13,800,549.20 and 5,416,719 is: 7,475,072.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000,397.64 : 13,800,549.20 = 5,416,719 : x
  2. Step 2: Convert to fraction form
    10,000,397.64/13,800,549.20 = 5,416,719/x
  3. Step 3: Cross multiply
    10,000,397.64x = 13,800,549.20 × 5,416,719
  4. Step 4: Simplify right side
    10,000,397.64x = 74,753,697,034,991.20
  5. Step 5: Solve for x
    x = 74,753,697,034,991.20/10,000,397.64
  6. Step 6: Final answer
    x = 7,475,072.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.