Home / 15,786,617.04-21,785,522.76-8,911,158.48

Finding the Fourth Proportional to 15,786,617.04, 21,785,522.76 and 8,911,158.48

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Solution

The fourth proportional to 15,786,617.04, 21,785,522.76 and 8,911,158.48 is: 12,297,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786,617.04 : 21,785,522.76 = 8,911,158.48 : x
  2. Step 2: Convert to fraction form
    15,786,617.04/21,785,522.76 = 8,911,158.48/x
  3. Step 3: Cross multiply
    15,786,617.04x = 21,785,522.76 × 8,911,158.48
  4. Step 4: Simplify right side
    15,786,617.04x = 194,134,245,884,007.03
  5. Step 5: Solve for x
    x = 194,134,245,884,007.03/15,786,617.04
  6. Step 6: Final answer
    x = 12,297,393.76

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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.