Home / 20,023,948.17-30,018,109.05-7,241,611.14

Finding the Fourth Proportional to 20,023,948.17, 30,018,109.05 and 7,241,611.14

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Solution

The fourth proportional to 20,023,948.17, 30,018,109.05 and 7,241,611.14 is: 10,855,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023,948.17 : 30,018,109.05 = 7,241,611.14 : x
  2. Step 2: Convert to fraction form
    20,023,948.17/30,018,109.05 = 7,241,611.14/x
  3. Step 3: Cross multiply
    20,023,948.17x = 30,018,109.05 × 7,241,611.14
  4. Step 4: Simplify right side
    20,023,948.17x = 217,379,472,898,214.81
  5. Step 5: Solve for x
    x = 217,379,472,898,214.81/20,023,948.17
  6. Step 6: Final answer
    x = 10,855,974.61

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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.