Home / 20,045,345.90-27,662,595.03-10,877,988.65

Finding the Fourth Proportional to 20,045,345.90, 27,662,595.03 and 10,877,988.65

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Solution

The fourth proportional to 20,045,345.90, 27,662,595.03 and 10,877,988.65 is: 15,011,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045,345.90 : 27,662,595.03 = 10,877,988.65 : x
  2. Step 2: Convert to fraction form
    20,045,345.90/27,662,595.03 = 10,877,988.65/x
  3. Step 3: Cross multiply
    20,045,345.90x = 27,662,595.03 × 10,877,988.65
  4. Step 4: Simplify right side
    20,045,345.90x = 300,913,394,627,573.44
  5. Step 5: Solve for x
    x = 300,913,394,627,573.44/20,045,345.90
  6. Step 6: Final answer
    x = 15,011,633.93

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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.