Home / 18,583,100.76-25,645,406.24-12,715,042.31

Finding the Fourth Proportional to 18,583,100.76, 25,645,406.24 and 12,715,042.31

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Solution

The fourth proportional to 18,583,100.76, 25,645,406.24 and 12,715,042.31 is: 17,547,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583,100.76 : 25,645,406.24 = 12,715,042.31 : x
  2. Step 2: Convert to fraction form
    18,583,100.76/25,645,406.24 = 12,715,042.31/x
  3. Step 3: Cross multiply
    18,583,100.76x = 25,645,406.24 × 12,715,042.31
  4. Step 4: Simplify right side
    18,583,100.76x = 326,082,425,326,946.75
  5. Step 5: Solve for x
    x = 326,082,425,326,946.75/18,583,100.76
  6. Step 6: Final answer
    x = 17,547,255.94

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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.