Home / 7,908,319.68-11,863,401.12-2,862,006.72

Finding the Fourth Proportional to 7,908,319.68, 11,863,401.12 and 2,862,006.72

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Solution

The fourth proportional to 7,908,319.68, 11,863,401.12 and 2,862,006.72 is: 4,293,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908,319.68 : 11,863,401.12 = 2,862,006.72 : x
  2. Step 2: Convert to fraction form
    7,908,319.68/11,863,401.12 = 2,862,006.72/x
  3. Step 3: Cross multiply
    7,908,319.68x = 11,863,401.12 × 2,862,006.72
  4. Step 4: Simplify right side
    7,908,319.68x = 33,953,133,727,495.53
  5. Step 5: Solve for x
    x = 33,953,133,727,495.53/7,908,319.68
  6. Step 6: Final answer
    x = 4,293,343.61

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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.