Home / 13,889,769.60-20,801,476.80-8,514,998.40

Finding the Fourth Proportional to 13,889,769.60, 20,801,476.80 and 8,514,998.40

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Solution

The fourth proportional to 13,889,769.60, 20,801,476.80 and 8,514,998.40 is: 12,752,158.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,769.60 : 20,801,476.80 = 8,514,998.40 : x
  2. Step 2: Convert to fraction form
    13,889,769.60/20,801,476.80 = 8,514,998.40/x
  3. Step 3: Cross multiply
    13,889,769.60x = 20,801,476.80 × 8,514,998.40
  4. Step 4: Simplify right side
    13,889,769.60x = 177,124,541,669,637.12
  5. Step 5: Solve for x
    x = 177,124,541,669,637.12/13,889,769.60
  6. Step 6: Final answer
    x = 12,752,158.37

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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.