Home / 15,271,815.32-21,074,566.70-8,396,244.53

Finding the Fourth Proportional to 15,271,815.32, 21,074,566.70 and 8,396,244.53

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Solution

The fourth proportional to 15,271,815.32, 21,074,566.70 and 8,396,244.53 is: 11,586,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271,815.32 : 21,074,566.70 = 8,396,244.53 : x
  2. Step 2: Convert to fraction form
    15,271,815.32/21,074,566.70 = 8,396,244.53/x
  3. Step 3: Cross multiply
    15,271,815.32x = 21,074,566.70 × 8,396,244.53
  4. Step 4: Simplify right side
    15,271,815.32x = 176,947,215,376,995.12
  5. Step 5: Solve for x
    x = 176,947,215,376,995.12/15,271,815.32
  6. Step 6: Final answer
    x = 11,586,521.42

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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.