Home / 18,321,750.40-27,493,123.20-6,970,345.60

Finding the Fourth Proportional to 18,321,750.40, 27,493,123.20 and 6,970,345.60

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Solution

The fourth proportional to 18,321,750.40, 27,493,123.20 and 6,970,345.60 is: 10,459,512.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,750.40 : 27,493,123.20 = 6,970,345.60 : x
  2. Step 2: Convert to fraction form
    18,321,750.40/27,493,123.20 = 6,970,345.60/x
  3. Step 3: Cross multiply
    18,321,750.40x = 27,493,123.20 × 6,970,345.60
  4. Step 4: Simplify right side
    18,321,750.40x = 191,636,570,327,377.91
  5. Step 5: Solve for x
    x = 191,636,570,327,377.91/18,321,750.40
  6. Step 6: Final answer
    x = 10,459,512.12

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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.