Home / 19,542,416.80-29,299,628.40-8,177,015.20

Finding the Fourth Proportional to 19,542,416.80, 29,299,628.40 and 8,177,015.20

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Solution

The fourth proportional to 19,542,416.80, 29,299,628.40 and 8,177,015.20 is: 12,259,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542,416.80 : 29,299,628.40 = 8,177,015.20 : x
  2. Step 2: Convert to fraction form
    19,542,416.80/29,299,628.40 = 8,177,015.20/x
  3. Step 3: Cross multiply
    19,542,416.80x = 29,299,628.40 × 8,177,015.20
  4. Step 4: Simplify right side
    19,542,416.80x = 239,583,506,781,151.69
  5. Step 5: Solve for x
    x = 239,583,506,781,151.69/19,542,416.80
  6. Step 6: Final answer
    x = 12,259,666.20

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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.