Home / 15,271,835.91-21,074,591.30-8,396,267.91

Finding the Fourth Proportional to 15,271,835.91, 21,074,591.30 and 8,396,267.91

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Solution

The fourth proportional to 15,271,835.91, 21,074,591.30 and 8,396,267.91 is: 11,586,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271,835.91 : 21,074,591.30 = 8,396,267.91 : x
  2. Step 2: Convert to fraction form
    15,271,835.91/21,074,591.30 = 8,396,267.91/x
  3. Step 3: Cross multiply
    15,271,835.91x = 21,074,591.30 × 8,396,267.91
  4. Step 4: Simplify right side
    15,271,835.91x = 176,947,914,648,555.19
  5. Step 5: Solve for x
    x = 176,947,914,648,555.19/15,271,835.91
  6. Step 6: Final answer
    x = 11,586,551.59

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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.