Home / 9,074,804.80-13,612,207.20-8,082,781.60

Finding the Fourth Proportional to 9,074,804.80, 13,612,207.20 and 8,082,781.60

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Solution

The fourth proportional to 9,074,804.80, 13,612,207.20 and 8,082,781.60 is: 12,124,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074,804.80 : 13,612,207.20 = 8,082,781.60 : x
  2. Step 2: Convert to fraction form
    9,074,804.80/13,612,207.20 = 8,082,781.60/x
  3. Step 3: Cross multiply
    9,074,804.80x = 13,612,207.20 × 8,082,781.60
  4. Step 4: Simplify right side
    9,074,804.80x = 110,024,497,891,547.52
  5. Step 5: Solve for x
    x = 110,024,497,891,547.52/9,074,804.80
  6. Step 6: Final answer
    x = 12,124,172.40

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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.