Home / 8,889,898.40-12,268,118.68-4,815,517.36

Finding the Fourth Proportional to 8,889,898.40, 12,268,118.68 and 4,815,517.36

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Solution

The fourth proportional to 8,889,898.40, 12,268,118.68 and 4,815,517.36 is: 6,645,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,898.40 : 12,268,118.68 = 4,815,517.36 : x
  2. Step 2: Convert to fraction form
    8,889,898.40/12,268,118.68 = 4,815,517.36/x
  3. Step 3: Cross multiply
    8,889,898.40x = 12,268,118.68 × 4,815,517.36
  4. Step 4: Simplify right side
    8,889,898.40x = 59,077,338,478,080.29
  5. Step 5: Solve for x
    x = 59,077,338,478,080.29/8,889,898.40
  6. Step 6: Final answer
    x = 6,645,445.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.