Home / 28,016,002.64-38,662,110.60-15,138,946.64

Finding the Fourth Proportional to 28,016,002.64, 38,662,110.60 and 15,138,946.64

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Solution

The fourth proportional to 28,016,002.64, 38,662,110.60 and 15,138,946.64 is: 20,891,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016,002.64 : 38,662,110.60 = 15,138,946.64 : x
  2. Step 2: Convert to fraction form
    28,016,002.64/38,662,110.60 = 15,138,946.64/x
  3. Step 3: Cross multiply
    28,016,002.64x = 38,662,110.60 × 15,138,946.64
  4. Step 4: Simplify right side
    28,016,002.64x = 585,303,629,363,178.38
  5. Step 5: Solve for x
    x = 585,303,629,363,178.38/28,016,002.64
  6. Step 6: Final answer
    x = 20,891,760.93

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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.