Home / 12,750,813.60-19,126,220.40-7,356,687.45

Finding the Fourth Proportional to 12,750,813.60, 19,126,220.40 and 7,356,687.45

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Solution

The fourth proportional to 12,750,813.60, 19,126,220.40 and 7,356,687.45 is: 11,035,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750,813.60 : 19,126,220.40 = 7,356,687.45 : x
  2. Step 2: Convert to fraction form
    12,750,813.60/19,126,220.40 = 7,356,687.45/x
  3. Step 3: Cross multiply
    12,750,813.60x = 19,126,220.40 × 7,356,687.45
  4. Step 4: Simplify right side
    12,750,813.60x = 140,705,625,582,613.97
  5. Step 5: Solve for x
    x = 140,705,625,582,613.97/12,750,813.60
  6. Step 6: Final answer
    x = 11,035,031.18

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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.