Home / 19,806,114.60-29,681,178.30-12,210,517.80

Finding the Fourth Proportional to 19,806,114.60, 29,681,178.30 and 12,210,517.80

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Solution

The fourth proportional to 19,806,114.60, 29,681,178.30 and 12,210,517.80 is: 18,298,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806,114.60 : 29,681,178.30 = 12,210,517.80 : x
  2. Step 2: Convert to fraction form
    19,806,114.60/29,681,178.30 = 12,210,517.80/x
  3. Step 3: Cross multiply
    19,806,114.60x = 29,681,178.30 × 12,210,517.80
  4. Step 4: Simplify right side
    19,806,114.60x = 362,422,555,957,123.75
  5. Step 5: Solve for x
    x = 362,422,555,957,123.75/19,806,114.60
  6. Step 6: Final answer
    x = 18,298,518.58

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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.