Home / 7,642,001.20-11,463,001.80-7,348,068.40

Finding the Fourth Proportional to 7,642,001.20, 11,463,001.80 and 7,348,068.40

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Solution

The fourth proportional to 7,642,001.20, 11,463,001.80 and 7,348,068.40 is: 11,022,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642,001.20 : 11,463,001.80 = 7,348,068.40 : x
  2. Step 2: Convert to fraction form
    7,642,001.20/11,463,001.80 = 7,348,068.40/x
  3. Step 3: Cross multiply
    7,642,001.20x = 11,463,001.80 × 7,348,068.40
  4. Step 4: Simplify right side
    7,642,001.20x = 84,230,921,295,723.12
  5. Step 5: Solve for x
    x = 84,230,921,295,723.12/7,642,001.20
  6. Step 6: Final answer
    x = 11,022,102.60

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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.