Home / 18,947,090.40-26,146,966.16-10,245,242.18

Finding the Fourth Proportional to 18,947,090.40, 26,146,966.16 and 10,245,242.18

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Solution

The fourth proportional to 18,947,090.40, 26,146,966.16 and 10,245,242.18 is: 14,138,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947,090.40 : 26,146,966.16 = 10,245,242.18 : x
  2. Step 2: Convert to fraction form
    18,947,090.40/26,146,966.16 = 10,245,242.18/x
  3. Step 3: Cross multiply
    18,947,090.40x = 26,146,966.16 × 10,245,242.18
  4. Step 4: Simplify right side
    18,947,090.40x = 267,882,000,399,503.62
  5. Step 5: Solve for x
    x = 267,882,000,399,503.62/18,947,090.40
  6. Step 6: Final answer
    x = 14,138,424.15

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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.