Home / 12,957,956.65-17,881,658.80-7,451,200.23

Finding the Fourth Proportional to 12,957,956.65, 17,881,658.80 and 7,451,200.23

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Solution

The fourth proportional to 12,957,956.65, 17,881,658.80 and 7,451,200.23 is: 10,282,471.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957,956.65 : 17,881,658.80 = 7,451,200.23 : x
  2. Step 2: Convert to fraction form
    12,957,956.65/17,881,658.80 = 7,451,200.23/x
  3. Step 3: Cross multiply
    12,957,956.65x = 17,881,658.80 × 7,451,200.23
  4. Step 4: Simplify right side
    12,957,956.65x = 133,239,820,163,341.53
  5. Step 5: Solve for x
    x = 133,239,820,163,341.53/12,957,956.65
  6. Step 6: Final answer
    x = 10,282,471.52

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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.