Home / 20,010,830.40-30,044,239.20-12,452,558.40

Finding the Fourth Proportional to 20,010,830.40, 30,044,239.20 and 12,452,558.40

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Solution

The fourth proportional to 20,010,830.40, 30,044,239.20 and 12,452,558.40 is: 18,696,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010,830.40 : 30,044,239.20 = 12,452,558.40 : x
  2. Step 2: Convert to fraction form
    20,010,830.40/30,044,239.20 = 12,452,558.40/x
  3. Step 3: Cross multiply
    20,010,830.40x = 30,044,239.20 × 12,452,558.40
  4. Step 4: Simplify right side
    20,010,830.40x = 374,127,643,221,569.31
  5. Step 5: Solve for x
    x = 374,127,643,221,569.31/20,010,830.40
  6. Step 6: Final answer
    x = 18,696,257.76

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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.