Home / 7,149,023.40-9,865,718.33-3,885,845.79

Finding the Fourth Proportional to 7,149,023.40, 9,865,718.33 and 3,885,845.79

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Solution

The fourth proportional to 7,149,023.40, 9,865,718.33 and 3,885,845.79 is: 5,362,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,023.40 : 9,865,718.33 = 3,885,845.79 : x
  2. Step 2: Convert to fraction form
    7,149,023.40/9,865,718.33 = 3,885,845.79/x
  3. Step 3: Cross multiply
    7,149,023.40x = 9,865,718.33 × 3,885,845.79
  4. Step 4: Simplify right side
    7,149,023.40x = 38,336,660,018,527.10
  5. Step 5: Solve for x
    x = 38,336,660,018,527.10/7,149,023.40
  6. Step 6: Final answer
    x = 5,362,503.08

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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.