Home / 17,961,129.40-26,941,694.10-12,292,425.40

Finding the Fourth Proportional to 17,961,129.40, 26,941,694.10 and 12,292,425.40

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Solution

The fourth proportional to 17,961,129.40, 26,941,694.10 and 12,292,425.40 is: 18,438,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961,129.40 : 26,941,694.10 = 12,292,425.40 : x
  2. Step 2: Convert to fraction form
    17,961,129.40/26,941,694.10 = 12,292,425.40/x
  3. Step 3: Cross multiply
    17,961,129.40x = 26,941,694.10 × 12,292,425.40
  4. Step 4: Simplify right side
    17,961,129.40x = 331,178,764,873,870.19
  5. Step 5: Solve for x
    x = 331,178,764,873,870.19/17,961,129.40
  6. Step 6: Final answer
    x = 18,438,638.10

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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.