Home / 13,854,246.40-20,772,567.06-12,151,808.92

Finding the Fourth Proportional to 13,854,246.40, 20,772,567.06 and 12,151,808.92

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Solution

The fourth proportional to 13,854,246.40, 20,772,567.06 and 12,151,808.92 is: 18,219,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854,246.40 : 20,772,567.06 = 12,151,808.92 : x
  2. Step 2: Convert to fraction form
    13,854,246.40/20,772,567.06 = 12,151,808.92/x
  3. Step 3: Cross multiply
    13,854,246.40x = 20,772,567.06 × 12,151,808.92
  4. Step 4: Simplify right side
    13,854,246.40x = 252,424,265,691,006.16
  5. Step 5: Solve for x
    x = 252,424,265,691,006.16/13,854,246.40
  6. Step 6: Final answer
    x = 18,219,992.51

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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.