Home / 21,862,140.80-32,793,211.20-20,219,849.60

Finding the Fourth Proportional to 21,862,140.80, 32,793,211.20 and 20,219,849.60

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Solution

The fourth proportional to 21,862,140.80, 32,793,211.20 and 20,219,849.60 is: 30,329,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862,140.80 : 32,793,211.20 = 20,219,849.60 : x
  2. Step 2: Convert to fraction form
    21,862,140.80/32,793,211.20 = 20,219,849.60/x
  3. Step 3: Cross multiply
    21,862,140.80x = 32,793,211.20 × 20,219,849.60
  4. Step 4: Simplify right side
    21,862,140.80x = 663,073,798,365,035.50
  5. Step 5: Solve for x
    x = 663,073,798,365,035.50/21,862,140.80
  6. Step 6: Final answer
    x = 30,329,774.40

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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.