Home / 7,260,140.75-10,018,633.85-3,996,885.42

Finding the Fourth Proportional to 7,260,140.75, 10,018,633.85 and 3,996,885.42

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Solution

The fourth proportional to 7,260,140.75, 10,018,633.85 and 3,996,885.42 is: 5,515,503.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,140.75 : 10,018,633.85 = 3,996,885.42 : x
  2. Step 2: Convert to fraction form
    7,260,140.75/10,018,633.85 = 3,996,885.42/x
  3. Step 3: Cross multiply
    7,260,140.75x = 10,018,633.85 × 3,996,885.42
  4. Step 4: Simplify right side
    7,260,140.75x = 40,043,331,527,717.36
  5. Step 5: Solve for x
    x = 40,043,331,527,717.36/7,260,140.75
  6. Step 6: Final answer
    x = 5,515,503.47

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Similar ratio
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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.