Home / 8,448,998.40-12,668,436.36-2,689,243.92

Finding the Fourth Proportional to 8,448,998.40, 12,668,436.36 and 2,689,243.92

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Solution

The fourth proportional to 8,448,998.40, 12,668,436.36 and 2,689,243.92 is: 4,032,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,998.40 : 12,668,436.36 = 2,689,243.92 : x
  2. Step 2: Convert to fraction form
    8,448,998.40/12,668,436.36 = 2,689,243.92/x
  3. Step 3: Cross multiply
    8,448,998.40x = 12,668,436.36 × 2,689,243.92
  4. Step 4: Simplify right side
    8,448,998.40x = 34,068,515,457,036.93
  5. Step 5: Solve for x
    x = 34,068,515,457,036.93/8,448,998.40
  6. Step 6: Final answer
    x = 4,032,254.93

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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.