Home / 11,211,317.80-16,806,479.10-8,781,123.40

Finding the Fourth Proportional to 11,211,317.80, 16,806,479.10 and 8,781,123.40

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Solution

The fourth proportional to 11,211,317.80, 16,806,479.10 and 8,781,123.40 is: 13,163,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211,317.80 : 16,806,479.10 = 8,781,123.40 : x
  2. Step 2: Convert to fraction form
    11,211,317.80/16,806,479.10 = 8,781,123.40/x
  3. Step 3: Cross multiply
    11,211,317.80x = 16,806,479.10 × 8,781,123.40
  4. Step 4: Simplify right side
    11,211,317.80x = 147,579,766,896,620.97
  5. Step 5: Solve for x
    x = 147,579,766,896,620.97/11,211,317.80
  6. Step 6: Final answer
    x = 13,163,462.99

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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.