Home / 21,973,920.90-32,974,878.15-12,876,000.90

Finding the Fourth Proportional to 21,973,920.90, 32,974,878.15 and 12,876,000.90

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Solution

The fourth proportional to 21,973,920.90, 32,974,878.15 and 12,876,000.90 is: 19,322,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973,920.90 : 32,974,878.15 = 12,876,000.90 : x
  2. Step 2: Convert to fraction form
    21,973,920.90/32,974,878.15 = 12,876,000.90/x
  3. Step 3: Cross multiply
    21,973,920.90x = 32,974,878.15 × 12,876,000.90
  4. Step 4: Simplify right side
    21,973,920.90x = 424,584,560,736,790.31
  5. Step 5: Solve for x
    x = 424,584,560,736,790.31/21,973,920.90
  6. Step 6: Final answer
    x = 19,322,203.02

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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.