Home / 8,909,599.20-13,364,398.80-2,178,013.20

Finding the Fourth Proportional to 8,909,599.20, 13,364,398.80 and 2,178,013.20

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Solution

The fourth proportional to 8,909,599.20, 13,364,398.80 and 2,178,013.20 is: 3,267,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909,599.20 : 13,364,398.80 = 2,178,013.20 : x
  2. Step 2: Convert to fraction form
    8,909,599.20/13,364,398.80 = 2,178,013.20/x
  3. Step 3: Cross multiply
    8,909,599.20x = 13,364,398.80 × 2,178,013.20
  4. Step 4: Simplify right side
    8,909,599.20x = 29,107,836,996,464.16
  5. Step 5: Solve for x
    x = 29,107,836,996,464.16/8,909,599.20
  6. Step 6: Final answer
    x = 3,267,019.80

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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.