Home / 21,652,405.68-32,478,596.10-20,217,516.60

Finding the Fourth Proportional to 21,652,405.68, 32,478,596.10 and 20,217,516.60

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Solution

The fourth proportional to 21,652,405.68, 32,478,596.10 and 20,217,516.60 is: 30,326,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652,405.68 : 32,478,596.10 = 20,217,516.60 : x
  2. Step 2: Convert to fraction form
    21,652,405.68/32,478,596.10 = 20,217,516.60/x
  3. Step 3: Cross multiply
    21,652,405.68x = 32,478,596.10 × 20,217,516.60
  4. Step 4: Simplify right side
    21,652,405.68x = 656,636,555,796,445.38
  5. Step 5: Solve for x
    x = 656,636,555,796,445.38/21,652,405.68
  6. Step 6: Final answer
    x = 30,326,263.30

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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.