Home / 38,865,985.28-58,259,961.80-13,289,503.04

Finding the Fourth Proportional to 38,865,985.28, 58,259,961.80 and 13,289,503.04

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Solution

The fourth proportional to 38,865,985.28, 58,259,961.80 and 13,289,503.04 is: 19,920,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,865,985.28 : 58,259,961.80 = 13,289,503.04 : x
  2. Step 2: Convert to fraction form
    38,865,985.28/58,259,961.80 = 13,289,503.04/x
  3. Step 3: Cross multiply
    38,865,985.28x = 58,259,961.80 × 13,289,503.04
  4. Step 4: Simplify right side
    38,865,985.28x = 774,245,939,451,383.75
  5. Step 5: Solve for x
    x = 774,245,939,451,383.75/38,865,985.28
  6. Step 6: Final answer
    x = 19,920,913.72

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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.