Home / 20,118,083.40-30,160,197.72-8,749,969.92

Finding the Fourth Proportional to 20,118,083.40, 30,160,197.72 and 8,749,969.92

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Solution

The fourth proportional to 20,118,083.40, 30,160,197.72 and 8,749,969.92 is: 13,117,592.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,083.40 : 30,160,197.72 = 8,749,969.92 : x
  2. Step 2: Convert to fraction form
    20,118,083.40/30,160,197.72 = 8,749,969.92/x
  3. Step 3: Cross multiply
    20,118,083.40x = 30,160,197.72 × 8,749,969.92
  4. Step 4: Simplify right side
    20,118,083.40x = 263,900,822,831,252.56
  5. Step 5: Solve for x
    x = 263,900,822,831,252.56/20,118,083.40
  6. Step 6: Final answer
    x = 13,117,592.64

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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.