Home / 12,842,997.60-17,724,132.80-7,119,861.60

Finding the Fourth Proportional to 12,842,997.60, 17,724,132.80 and 7,119,861.60

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Solution

The fourth proportional to 12,842,997.60, 17,724,132.80 and 7,119,861.60 is: 9,825,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842,997.60 : 17,724,132.80 = 7,119,861.60 : x
  2. Step 2: Convert to fraction form
    12,842,997.60/17,724,132.80 = 7,119,861.60/x
  3. Step 3: Cross multiply
    12,842,997.60x = 17,724,132.80 × 7,119,861.60
  4. Step 4: Simplify right side
    12,842,997.60x = 126,193,372,516,020.48
  5. Step 5: Solve for x
    x = 126,193,372,516,020.48/12,842,997.60
  6. Step 6: Final answer
    x = 9,825,850.35

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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.