Home / 21,397,244.32-29,528,196.90-12,230,083.96

Finding the Fourth Proportional to 21,397,244.32, 29,528,196.90 and 12,230,083.96

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Solution

The fourth proportional to 21,397,244.32, 29,528,196.90 and 12,230,083.96 is: 16,877,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,244.32 : 29,528,196.90 = 12,230,083.96 : x
  2. Step 2: Convert to fraction form
    21,397,244.32/29,528,196.90 = 12,230,083.96/x
  3. Step 3: Cross multiply
    21,397,244.32x = 29,528,196.90 × 12,230,083.96
  4. Step 4: Simplify right side
    21,397,244.32x = 361,132,327,274,411.75
  5. Step 5: Solve for x
    x = 361,132,327,274,411.75/21,397,244.32
  6. Step 6: Final answer
    x = 16,877,515.72

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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.