Home / 7,129,214.40-10,693,821.60-5,449,598.40

Finding the Fourth Proportional to 7,129,214.40, 10,693,821.60 and 5,449,598.40

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Solution

The fourth proportional to 7,129,214.40, 10,693,821.60 and 5,449,598.40 is: 8,174,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,214.40 : 10,693,821.60 = 5,449,598.40 : x
  2. Step 2: Convert to fraction form
    7,129,214.40/10,693,821.60 = 5,449,598.40/x
  3. Step 3: Cross multiply
    7,129,214.40x = 10,693,821.60 × 5,449,598.40
  4. Step 4: Simplify right side
    7,129,214.40x = 58,277,033,081,245.45
  5. Step 5: Solve for x
    x = 58,277,033,081,245.45/7,129,214.40
  6. Step 6: Final answer
    x = 8,174,397.60

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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.