Home / 20,215,316.55-30,302,307.68-9,964,410.15

Finding the Fourth Proportional to 20,215,316.55, 30,302,307.68 and 9,964,410.15

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Solution

The fourth proportional to 20,215,316.55, 30,302,307.68 and 9,964,410.15 is: 14,936,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,316.55 : 30,302,307.68 = 9,964,410.15 : x
  2. Step 2: Convert to fraction form
    20,215,316.55/30,302,307.68 = 9,964,410.15/x
  3. Step 3: Cross multiply
    20,215,316.55x = 30,302,307.68 × 9,964,410.15
  4. Step 4: Simplify right side
    20,215,316.55x = 301,944,622,165,192.94
  5. Step 5: Solve for x
    x = 301,944,622,165,192.94/20,215,316.55
  6. Step 6: Final answer
    x = 14,936,428.10

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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.