Home / 7,148,529.93-9,865,071.33-3,885,343.68

Finding the Fourth Proportional to 7,148,529.93, 9,865,071.33 and 3,885,343.68

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Solution

The fourth proportional to 7,148,529.93, 9,865,071.33 and 3,885,343.68 is: 5,361,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,529.93 : 9,865,071.33 = 3,885,343.68 : x
  2. Step 2: Convert to fraction form
    7,148,529.93/9,865,071.33 = 3,885,343.68/x
  3. Step 3: Cross multiply
    7,148,529.93x = 9,865,071.33 × 3,885,343.68
  4. Step 4: Simplify right side
    7,148,529.93x = 38,329,192,544,764.70
  5. Step 5: Solve for x
    x = 38,329,192,544,764.70/7,148,529.93
  6. Step 6: Final answer
    x = 5,361,828.64

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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.