Home / 19,806,105.60-29,681,164.80-12,210,508.80

Finding the Fourth Proportional to 19,806,105.60, 29,681,164.80 and 12,210,508.80

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Solution

The fourth proportional to 19,806,105.60, 29,681,164.80 and 12,210,508.80 is: 18,298,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806,105.60 : 29,681,164.80 = 12,210,508.80 : x
  2. Step 2: Convert to fraction form
    19,806,105.60/29,681,164.80 = 12,210,508.80/x
  3. Step 3: Cross multiply
    19,806,105.60x = 29,681,164.80 × 12,210,508.80
  4. Step 4: Simplify right side
    19,806,105.60x = 362,422,123,984,650.25
  5. Step 5: Solve for x
    x = 362,422,123,984,650.25/19,806,105.60
  6. Step 6: Final answer
    x = 18,298,505.08

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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.