Home / 15,147,387.27-20,900,580.53-8,620,628.67

Finding the Fourth Proportional to 15,147,387.27, 20,900,580.53 and 8,620,628.67

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Solution

The fourth proportional to 15,147,387.27, 20,900,580.53 and 8,620,628.67 is: 11,894,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147,387.27 : 20,900,580.53 = 8,620,628.67 : x
  2. Step 2: Convert to fraction form
    15,147,387.27/20,900,580.53 = 8,620,628.67/x
  3. Step 3: Cross multiply
    15,147,387.27x = 20,900,580.53 × 8,620,628.67
  4. Step 4: Simplify right side
    15,147,387.27x = 180,176,143,693,458.62
  5. Step 5: Solve for x
    x = 180,176,143,693,458.62/15,147,387.27
  6. Step 6: Final answer
    x = 11,894,866.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.