Home / 8,639,351.98-12,960,960.91-3,248,049.13

Finding the Fourth Proportional to 8,639,351.98, 12,960,960.91 and 3,248,049.13

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Solution

The fourth proportional to 8,639,351.98, 12,960,960.91 and 3,248,049.13 is: 4,872,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,351.98 : 12,960,960.91 = 3,248,049.13 : x
  2. Step 2: Convert to fraction form
    8,639,351.98/12,960,960.91 = 3,248,049.13/x
  3. Step 3: Cross multiply
    8,639,351.98x = 12,960,960.91 × 3,248,049.13
  4. Step 4: Simplify right side
    8,639,351.98x = 42,097,837,767,166.98
  5. Step 5: Solve for x
    x = 42,097,837,767,166.98/8,639,351.98
  6. Step 6: Final answer
    x = 4,872,800.40

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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.