Home / 8,201,947.40-12,302,921.10-7,729,555.40

Finding the Fourth Proportional to 8,201,947.40, 12,302,921.10 and 7,729,555.40

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Solution

The fourth proportional to 8,201,947.40, 12,302,921.10 and 7,729,555.40 is: 11,594,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,947.40 : 12,302,921.10 = 7,729,555.40 : x
  2. Step 2: Convert to fraction form
    8,201,947.40/12,302,921.10 = 7,729,555.40/x
  3. Step 3: Cross multiply
    8,201,947.40x = 12,302,921.10 × 7,729,555.40
  4. Step 4: Simplify right side
    8,201,947.40x = 95,096,110,224,278.94
  5. Step 5: Solve for x
    x = 95,096,110,224,278.94/8,201,947.40
  6. Step 6: Final answer
    x = 11,594,333.10

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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.