Home / 7,842,156.63-11,746,200.15-3,790,146.54

Finding the Fourth Proportional to 7,842,156.63, 11,746,200.15 and 3,790,146.54

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Solution

The fourth proportional to 7,842,156.63, 11,746,200.15 and 3,790,146.54 is: 5,676,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842,156.63 : 11,746,200.15 = 3,790,146.54 : x
  2. Step 2: Convert to fraction form
    7,842,156.63/11,746,200.15 = 3,790,146.54/x
  3. Step 3: Cross multiply
    7,842,156.63x = 11,746,200.15 × 3,790,146.54
  4. Step 4: Simplify right side
    7,842,156.63x = 44,519,819,856,669.98
  5. Step 5: Solve for x
    x = 44,519,819,856,669.98/7,842,156.63
  6. Step 6: Final answer
    x = 5,676,986.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.