Home / 21,860,455.80-32,790,683.70-15,341,446.20

Finding the Fourth Proportional to 21,860,455.80, 32,790,683.70 and 15,341,446.20

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Solution

The fourth proportional to 21,860,455.80, 32,790,683.70 and 15,341,446.20 is: 23,012,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,455.80 : 32,790,683.70 = 15,341,446.20 : x
  2. Step 2: Convert to fraction form
    21,860,455.80/32,790,683.70 = 15,341,446.20/x
  3. Step 3: Cross multiply
    21,860,455.80x = 32,790,683.70 × 15,341,446.20
  4. Step 4: Simplify right side
    21,860,455.80x = 503,056,509,844,766.88
  5. Step 5: Solve for x
    x = 503,056,509,844,766.88/21,860,455.80
  6. Step 6: Final answer
    x = 23,012,169.30

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1.5x scale

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.