Home / 7,338,897.80-11,008,346.70-5,425,710.20

Finding the Fourth Proportional to 7,338,897.80, 11,008,346.70 and 5,425,710.20

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Solution

The fourth proportional to 7,338,897.80, 11,008,346.70 and 5,425,710.20 is: 8,138,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,897.80 : 11,008,346.70 = 5,425,710.20 : x
  2. Step 2: Convert to fraction form
    7,338,897.80/11,008,346.70 = 5,425,710.20/x
  3. Step 3: Cross multiply
    7,338,897.80x = 11,008,346.70 × 5,425,710.20
  4. Step 4: Simplify right side
    7,338,897.80x = 59,728,098,975,326.34
  5. Step 5: Solve for x
    x = 59,728,098,975,326.34/7,338,897.80
  6. Step 6: Final answer
    x = 8,138,565.30

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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.