Home / 18,127,458.64-25,016,456.28-9,868,070.80

Finding the Fourth Proportional to 18,127,458.64, 25,016,456.28 and 9,868,070.80

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Solution

The fourth proportional to 18,127,458.64, 25,016,456.28 and 9,868,070.80 is: 13,618,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,458.64 : 25,016,456.28 = 9,868,070.80 : x
  2. Step 2: Convert to fraction form
    18,127,458.64/25,016,456.28 = 9,868,070.80/x
  3. Step 3: Cross multiply
    18,127,458.64x = 25,016,456.28 × 9,868,070.80
  4. Step 4: Simplify right side
    18,127,458.64x = 246,864,161,736,144.66
  5. Step 5: Solve for x
    x = 246,864,161,736,144.66/18,127,458.64
  6. Step 6: Final answer
    x = 13,618,244.38

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1.5x scale

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.