Home / 8,465,391.84-11,680,239.45-4,980,882.72

Finding the Fourth Proportional to 8,465,391.84, 11,680,239.45 and 4,980,882.72

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Solution

The fourth proportional to 8,465,391.84, 11,680,239.45 and 4,980,882.72 is: 6,872,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465,391.84 : 11,680,239.45 = 4,980,882.72 : x
  2. Step 2: Convert to fraction form
    8,465,391.84/11,680,239.45 = 4,980,882.72/x
  3. Step 3: Cross multiply
    8,465,391.84x = 11,680,239.45 × 4,980,882.72
  4. Step 4: Simplify right side
    8,465,391.84x = 58,177,902,841,967.30
  5. Step 5: Solve for x
    x = 58,177,902,841,967.30/8,465,391.84
  6. Step 6: Final answer
    x = 6,872,440.63

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1.5x scale

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.