Home / 20,672,609.34-31,006,547.92-5,527,721.82

Finding the Fourth Proportional to 20,672,609.34, 31,006,547.92 and 5,527,721.82

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Solution

The fourth proportional to 20,672,609.34, 31,006,547.92 and 5,527,721.82 is: 8,290,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,609.34 : 31,006,547.92 = 5,527,721.82 : x
  2. Step 2: Convert to fraction form
    20,672,609.34/31,006,547.92 = 5,527,721.82/x
  3. Step 3: Cross multiply
    20,672,609.34x = 31,006,547.92 × 5,527,721.82
  4. Step 4: Simplify right side
    20,672,609.34x = 171,395,571,500,259.62
  5. Step 5: Solve for x
    x = 171,395,571,500,259.62/20,672,609.34
  6. Step 6: Final answer
    x = 8,290,950.05

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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.