Home / 8,708,790.80-13,047,439.80-7,449,078.80

Finding the Fourth Proportional to 8,708,790.80, 13,047,439.80 and 7,449,078.80

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Solution

The fourth proportional to 8,708,790.80, 13,047,439.80 and 7,449,078.80 is: 11,160,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708,790.80 : 13,047,439.80 = 7,449,078.80 : x
  2. Step 2: Convert to fraction form
    8,708,790.80/13,047,439.80 = 7,449,078.80/x
  3. Step 3: Cross multiply
    8,708,790.80x = 13,047,439.80 × 7,449,078.80
  4. Step 4: Simplify right side
    8,708,790.80x = 97,191,407,208,456.25
  5. Step 5: Solve for x
    x = 97,191,407,208,456.25/8,708,790.80
  6. Step 6: Final answer
    x = 11,160,149.49

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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.