Home / 7,381,478.55-11,072,217.83-4,139,688.45

Finding the Fourth Proportional to 7,381,478.55, 11,072,217.83 and 4,139,688.45

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Solution

The fourth proportional to 7,381,478.55, 11,072,217.83 and 4,139,688.45 is: 6,209,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,478.55 : 11,072,217.83 = 4,139,688.45 : x
  2. Step 2: Convert to fraction form
    7,381,478.55/11,072,217.83 = 4,139,688.45/x
  3. Step 3: Cross multiply
    7,381,478.55x = 11,072,217.83 × 4,139,688.45
  4. Step 4: Simplify right side
    7,381,478.55x = 45,835,532,246,036.62
  5. Step 5: Solve for x
    x = 45,835,532,246,036.62/7,381,478.55
  6. Step 6: Final answer
    x = 6,209,532.68

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Double scale
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Similar ratio
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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.