Home / 8,661,031.60-12,994,657.80-8,349,991.60

Finding the Fourth Proportional to 8,661,031.60, 12,994,657.80 and 8,349,991.60

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Solution

The fourth proportional to 8,661,031.60, 12,994,657.80 and 8,349,991.60 is: 12,527,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,031.60 : 12,994,657.80 = 8,349,991.60 : x
  2. Step 2: Convert to fraction form
    8,661,031.60/12,994,657.80 = 8,349,991.60/x
  3. Step 3: Cross multiply
    8,661,031.60x = 12,994,657.80 × 8,349,991.60
  4. Step 4: Simplify right side
    8,661,031.60x = 108,505,283,474,874.48
  5. Step 5: Solve for x
    x = 108,505,283,474,874.48/8,661,031.60
  6. Step 6: Final answer
    x = 12,527,986.10

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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.