Home / 18,707,242.40-28,070,194.80-10,626,423.20

Finding the Fourth Proportional to 18,707,242.40, 28,070,194.80 and 10,626,423.20

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Solution

The fourth proportional to 18,707,242.40, 28,070,194.80 and 10,626,423.20 is: 15,944,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707,242.40 : 28,070,194.80 = 10,626,423.20 : x
  2. Step 2: Convert to fraction form
    18,707,242.40/28,070,194.80 = 10,626,423.20/x
  3. Step 3: Cross multiply
    18,707,242.40x = 28,070,194.80 × 10,626,423.20
  4. Step 4: Simplify right side
    18,707,242.40x = 298,285,769,251,239.38
  5. Step 5: Solve for x
    x = 298,285,769,251,239.38/18,707,242.40
  6. Step 6: Final answer
    x = 15,944,935.28

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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.