Home / 7,148,605.42-9,865,141.54-3,885,427.84

Finding the Fourth Proportional to 7,148,605.42, 9,865,141.54 and 3,885,427.84

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Solution

The fourth proportional to 7,148,605.42, 9,865,141.54 and 3,885,427.84 is: 5,361,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,605.42 : 9,865,141.54 = 3,885,427.84 : x
  2. Step 2: Convert to fraction form
    7,148,605.42/9,865,141.54 = 3,885,427.84/x
  3. Step 3: Cross multiply
    7,148,605.42x = 9,865,141.54 × 3,885,427.84
  4. Step 4: Simplify right side
    7,148,605.42x = 38,330,295,585,056.47
  5. Step 5: Solve for x
    x = 38,330,295,585,056.47/7,148,605.42
  6. Step 6: Final answer
    x = 5,361,926.32

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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.