Home / 20,160,965.10-30,241,447.65-14,492,261.10

Finding the Fourth Proportional to 20,160,965.10, 30,241,447.65 and 14,492,261.10

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Solution

The fourth proportional to 20,160,965.10, 30,241,447.65 and 14,492,261.10 is: 21,738,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,965.10 : 30,241,447.65 = 14,492,261.10 : x
  2. Step 2: Convert to fraction form
    20,160,965.10/30,241,447.65 = 14,492,261.10/x
  3. Step 3: Cross multiply
    20,160,965.10x = 30,241,447.65 × 14,492,261.10
  4. Step 4: Simplify right side
    20,160,965.10x = 438,266,955,385,781.38
  5. Step 5: Solve for x
    x = 438,266,955,385,781.38/20,160,965.10
  6. Step 6: Final answer
    x = 21,738,391.65

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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.