Home / 10,752,022.80-16,128,034.20-8,860,899.60

Finding the Fourth Proportional to 10,752,022.80, 16,128,034.20 and 8,860,899.60

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Solution

The fourth proportional to 10,752,022.80, 16,128,034.20 and 8,860,899.60 is: 13,291,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,022.80 : 16,128,034.20 = 8,860,899.60 : x
  2. Step 2: Convert to fraction form
    10,752,022.80/16,128,034.20 = 8,860,899.60/x
  3. Step 3: Cross multiply
    10,752,022.80x = 16,128,034.20 × 8,860,899.60
  4. Step 4: Simplify right side
    10,752,022.80x = 142,908,891,791,566.31
  5. Step 5: Solve for x
    x = 142,908,891,791,566.31/10,752,022.80
  6. Step 6: Final answer
    x = 13,291,349.40

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1.5x scale

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.