Home / 13,356,098.40-20,034,147.60-7,970,829.60

Finding the Fourth Proportional to 13,356,098.40, 20,034,147.60 and 7,970,829.60

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Solution

The fourth proportional to 13,356,098.40, 20,034,147.60 and 7,970,829.60 is: 11,956,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356,098.40 : 20,034,147.60 = 7,970,829.60 : x
  2. Step 2: Convert to fraction form
    13,356,098.40/20,034,147.60 = 7,970,829.60/x
  3. Step 3: Cross multiply
    13,356,098.40x = 20,034,147.60 × 7,970,829.60
  4. Step 4: Simplify right side
    13,356,098.40x = 159,688,776,700,848.97
  5. Step 5: Solve for x
    x = 159,688,776,700,848.97/13,356,098.40
  6. Step 6: Final answer
    x = 11,956,244.40

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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.