Home / 15,338,590.92-21,174,926.04-9,539,241.21

Finding the Fourth Proportional to 15,338,590.92, 21,174,926.04 and 9,539,241.21

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Solution

The fourth proportional to 15,338,590.92, 21,174,926.04 and 9,539,241.21 is: 13,168,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,590.92 : 21,174,926.04 = 9,539,241.21 : x
  2. Step 2: Convert to fraction form
    15,338,590.92/21,174,926.04 = 9,539,241.21/x
  3. Step 3: Cross multiply
    15,338,590.92x = 21,174,926.04 × 9,539,241.21
  4. Step 4: Simplify right side
    15,338,590.92x = 201,992,727,099,470.12
  5. Step 5: Solve for x
    x = 201,992,727,099,470.12/15,338,590.92
  6. Step 6: Final answer
    x = 13,168,923.28

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Double scale
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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.