Home / 13,595,855.25-20,386,328.75-5,390,184.78

Finding the Fourth Proportional to 13,595,855.25, 20,386,328.75 and 5,390,184.78

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Solution

The fourth proportional to 13,595,855.25, 20,386,328.75 and 5,390,184.78 is: 8,082,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595,855.25 : 20,386,328.75 = 5,390,184.78 : x
  2. Step 2: Convert to fraction form
    13,595,855.25/20,386,328.75 = 5,390,184.78/x
  3. Step 3: Cross multiply
    13,595,855.25x = 20,386,328.75 × 5,390,184.78
  4. Step 4: Simplify right side
    13,595,855.25x = 109,886,078,948,326.44
  5. Step 5: Solve for x
    x = 109,886,078,948,326.44/13,595,855.25
  6. Step 6: Final answer
    x = 8,082,321.92

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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.