Home / 21,491,695.40-32,237,543.10-20,230,946.60

Finding the Fourth Proportional to 21,491,695.40, 32,237,543.10 and 20,230,946.60

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Solution

The fourth proportional to 21,491,695.40, 32,237,543.10 and 20,230,946.60 is: 30,346,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,695.40 : 32,237,543.10 = 20,230,946.60 : x
  2. Step 2: Convert to fraction form
    21,491,695.40/32,237,543.10 = 20,230,946.60/x
  3. Step 3: Cross multiply
    21,491,695.40x = 32,237,543.10 × 20,230,946.60
  4. Step 4: Simplify right side
    21,491,695.40x = 652,196,012,971,298.50
  5. Step 5: Solve for x
    x = 652,196,012,971,298.50/21,491,695.40
  6. Step 6: Final answer
    x = 30,346,419.90

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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.