Home / 15,037,641.92-20,751,966.84-8,162,125.40

Finding the Fourth Proportional to 15,037,641.92, 20,751,966.84 and 8,162,125.40

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Solution

The fourth proportional to 15,037,641.92, 20,751,966.84 and 8,162,125.40 is: 11,263,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,641.92 : 20,751,966.84 = 8,162,125.40 : x
  2. Step 2: Convert to fraction form
    15,037,641.92/20,751,966.84 = 8,162,125.40/x
  3. Step 3: Cross multiply
    15,037,641.92x = 20,751,966.84 × 8,162,125.40
  4. Step 4: Simplify right side
    15,037,641.92x = 169,380,155,644,721.75
  5. Step 5: Solve for x
    x = 169,380,155,644,721.75/15,037,641.92
  6. Step 6: Final answer
    x = 11,263,744.45

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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.