Home / 18,712,356.64-28,028,738.20-8,982,626.52

Finding the Fourth Proportional to 18,712,356.64, 28,028,738.20 and 8,982,626.52

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Solution

The fourth proportional to 18,712,356.64, 28,028,738.20 and 8,982,626.52 is: 13,454,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712,356.64 : 28,028,738.20 = 8,982,626.52 : x
  2. Step 2: Convert to fraction form
    18,712,356.64/28,028,738.20 = 8,982,626.52/x
  3. Step 3: Cross multiply
    18,712,356.64x = 28,028,738.20 × 8,982,626.52
  4. Step 4: Simplify right side
    18,712,356.64x = 251,771,687,077,457.03
  5. Step 5: Solve for x
    x = 251,771,687,077,457.03/18,712,356.64
  6. Step 6: Final answer
    x = 13,454,835.86

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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.