Home / 18,124,880.28-25,013,043.92-9,976,876.44

Finding the Fourth Proportional to 18,124,880.28, 25,013,043.92 and 9,976,876.44

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Solution

The fourth proportional to 18,124,880.28, 25,013,043.92 and 9,976,876.44 is: 13,768,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124,880.28 : 25,013,043.92 = 9,976,876.44 : x
  2. Step 2: Convert to fraction form
    18,124,880.28/25,013,043.92 = 9,976,876.44/x
  3. Step 3: Cross multiply
    18,124,880.28x = 25,013,043.92 × 9,976,876.44
  4. Step 4: Simplify right side
    18,124,880.28x = 249,552,048,578,133.25
  5. Step 5: Solve for x
    x = 249,552,048,578,133.25/18,124,880.28
  6. Step 6: Final answer
    x = 13,768,479.83

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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.