Home / 15,217,967.58-21,000,718.26-8,248,617.06

Finding the Fourth Proportional to 15,217,967.58, 21,000,718.26 and 8,248,617.06

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Solution

The fourth proportional to 15,217,967.58, 21,000,718.26 and 8,248,617.06 is: 11,383,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217,967.58 : 21,000,718.26 = 8,248,617.06 : x
  2. Step 2: Convert to fraction form
    15,217,967.58/21,000,718.26 = 8,248,617.06/x
  3. Step 3: Cross multiply
    15,217,967.58x = 21,000,718.26 × 8,248,617.06
  4. Step 4: Simplify right side
    15,217,967.58x = 173,226,882,911,689.53
  5. Step 5: Solve for x
    x = 173,226,882,911,689.53/15,217,967.58
  6. Step 6: Final answer
    x = 11,383,049.81

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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.