Home / 21,862,132.80-32,793,199.20-20,219,841.60

Finding the Fourth Proportional to 21,862,132.80, 32,793,199.20 and 20,219,841.60

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Solution

The fourth proportional to 21,862,132.80, 32,793,199.20 and 20,219,841.60 is: 30,329,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862,132.80 : 32,793,199.20 = 20,219,841.60 : x
  2. Step 2: Convert to fraction form
    21,862,132.80/32,793,199.20 = 20,219,841.60/x
  3. Step 3: Cross multiply
    21,862,132.80x = 32,793,199.20 × 20,219,841.60
  4. Step 4: Simplify right side
    21,862,132.80x = 663,073,293,381,246.75
  5. Step 5: Solve for x
    x = 663,073,293,381,246.75/21,862,132.80
  6. Step 6: Final answer
    x = 30,329,762.40

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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.