Home / 9,115,979.20-13,665,415.20-3,440,017.60

Finding the Fourth Proportional to 9,115,979.20, 13,665,415.20 and 3,440,017.60

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Solution

The fourth proportional to 9,115,979.20, 13,665,415.20 and 3,440,017.60 is: 5,156,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115,979.20 : 13,665,415.20 = 3,440,017.60 : x
  2. Step 2: Convert to fraction form
    9,115,979.20/13,665,415.20 = 3,440,017.60/x
  3. Step 3: Cross multiply
    9,115,979.20x = 13,665,415.20 × 3,440,017.60
  4. Step 4: Simplify right side
    9,115,979.20x = 47,009,268,799,307.52
  5. Step 5: Solve for x
    x = 47,009,268,799,307.52/9,115,979.20
  6. Step 6: Final answer
    x = 5,156,798.60

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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.