Home / 14,687,926.51-20,269,795.05-8,072,394.88

Finding the Fourth Proportional to 14,687,926.51, 20,269,795.05 and 8,072,394.88

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Solution

The fourth proportional to 14,687,926.51, 20,269,795.05 and 8,072,394.88 is: 11,140,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,926.51 : 20,269,795.05 = 8,072,394.88 : x
  2. Step 2: Convert to fraction form
    14,687,926.51/20,269,795.05 = 8,072,394.88/x
  3. Step 3: Cross multiply
    14,687,926.51x = 20,269,795.05 × 8,072,394.88
  4. Step 4: Simplify right side
    14,687,926.51x = 163,625,789,780,269.34
  5. Step 5: Solve for x
    x = 163,625,789,780,269.34/14,687,926.51
  6. Step 6: Final answer
    x = 11,140,155.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.