Home / 13,427,115.03-20,140,813.79-10,748,468.32

Finding the Fourth Proportional to 13,427,115.03, 20,140,813.79 and 10,748,468.32

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Solution

The fourth proportional to 13,427,115.03, 20,140,813.79 and 10,748,468.32 is: 16,122,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427,115.03 : 20,140,813.79 = 10,748,468.32 : x
  2. Step 2: Convert to fraction form
    13,427,115.03/20,140,813.79 = 10,748,468.32/x
  3. Step 3: Cross multiply
    13,427,115.03x = 20,140,813.79 × 10,748,468.32
  4. Step 4: Simplify right side
    13,427,115.03x = 216,482,898,960,834.12
  5. Step 5: Solve for x
    x = 216,482,898,960,834.12/13,427,115.03
  6. Step 6: Final answer
    x = 16,122,815.55

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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.