Home / 7,458,200.70-11,187,301.05-7,139,336.10

Finding the Fourth Proportional to 7,458,200.70, 11,187,301.05 and 7,139,336.10

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Solution

The fourth proportional to 7,458,200.70, 11,187,301.05 and 7,139,336.10 is: 10,709,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458,200.70 : 11,187,301.05 = 7,139,336.10 : x
  2. Step 2: Convert to fraction form
    7,458,200.70/11,187,301.05 = 7,139,336.10/x
  3. Step 3: Cross multiply
    7,458,200.70x = 11,187,301.05 × 7,139,336.10
  4. Step 4: Simplify right side
    7,458,200.70x = 79,869,902,247,832.91
  5. Step 5: Solve for x
    x = 79,869,902,247,832.91/7,458,200.70
  6. Step 6: Final answer
    x = 10,709,004.15

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Double scale
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Similar ratio
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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.