Home / 8,639,815.78-11,922,717-4,772,253.70

Finding the Fourth Proportional to 8,639,815.78, 11,922,717 and 4,772,253.70

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Solution

The fourth proportional to 8,639,815.78, 11,922,717 and 4,772,253.70 is: 6,585,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,815.78 : 11,922,717 = 4,772,253.70 : x
  2. Step 2: Convert to fraction form
    8,639,815.78/11,922,717 = 4,772,253.70/x
  3. Step 3: Cross multiply
    8,639,815.78x = 11,922,717 × 4,772,253.70
  4. Step 4: Simplify right side
    8,639,815.78x = 56,898,230,317,302.90
  5. Step 5: Solve for x
    x = 56,898,230,317,302.90/8,639,815.78
  6. Step 6: Final answer
    x = 6,585,583.74

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Double scale
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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.