Home / 8,708,731.80-13,047,351.30-7,449,019.80

Finding the Fourth Proportional to 8,708,731.80, 13,047,351.30 and 7,449,019.80

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Solution

The fourth proportional to 8,708,731.80, 13,047,351.30 and 7,449,019.80 is: 11,160,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708,731.80 : 13,047,351.30 = 7,449,019.80 : x
  2. Step 2: Convert to fraction form
    8,708,731.80/13,047,351.30 = 7,449,019.80/x
  3. Step 3: Cross multiply
    8,708,731.80x = 13,047,351.30 × 7,449,019.80
  4. Step 4: Simplify right side
    8,708,731.80x = 97,189,978,171,255.75
  5. Step 5: Solve for x
    x = 97,189,978,171,255.75/8,708,731.80
  6. Step 6: Final answer
    x = 11,160,061.01

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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.