Home / 38,021,948.10-57,032,922.15-12,456,792.90

Finding the Fourth Proportional to 38,021,948.10, 57,032,922.15 and 12,456,792.90

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Solution

The fourth proportional to 38,021,948.10, 57,032,922.15 and 12,456,792.90 is: 18,685,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021,948.10 : 57,032,922.15 = 12,456,792.90 : x
  2. Step 2: Convert to fraction form
    38,021,948.10/57,032,922.15 = 12,456,792.90/x
  3. Step 3: Cross multiply
    38,021,948.10x = 57,032,922.15 × 12,456,792.90
  4. Step 4: Simplify right side
    38,021,948.10x = 710,447,299,704,372.75
  5. Step 5: Solve for x
    x = 710,447,299,704,372.75/38,021,948.10
  6. Step 6: Final answer
    x = 18,685,189.35

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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.