Home / 20,301,423.50-28,017,736.20-11,135,837.72

Finding the Fourth Proportional to 20,301,423.50, 28,017,736.20 and 11,135,837.72

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Solution

The fourth proportional to 20,301,423.50, 28,017,736.20 and 11,135,837.72 is: 15,368,427.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301,423.50 : 28,017,736.20 = 11,135,837.72 : x
  2. Step 2: Convert to fraction form
    20,301,423.50/28,017,736.20 = 11,135,837.72/x
  3. Step 3: Cross multiply
    20,301,423.50x = 28,017,736.20 × 11,135,837.72
  4. Step 4: Simplify right side
    20,301,423.50x = 312,000,963,675,013.81
  5. Step 5: Solve for x
    x = 312,000,963,675,013.81/20,301,423.50
  6. Step 6: Final answer
    x = 15,368,427.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.