Home / 7,144,680-9,859,813.92-3,925,416

Finding the Fourth Proportional to 7,144,680, 9,859,813.92 and 3,925,416

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Solution

The fourth proportional to 7,144,680, 9,859,813.92 and 3,925,416 is: 5,417,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,680 : 9,859,813.92 = 3,925,416 : x
  2. Step 2: Convert to fraction form
    7,144,680/9,859,813.92 = 3,925,416/x
  3. Step 3: Cross multiply
    7,144,680x = 9,859,813.92 × 3,925,416
  4. Step 4: Simplify right side
    7,144,680x = 38,703,871,318,590.72
  5. Step 5: Solve for x
    x = 38,703,871,318,590.72/7,144,680
  6. Step 6: Final answer
    x = 5,417,159.53

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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.