Home / 36,145,289.68-49,880,275.08-20,675,632.72

Finding the Fourth Proportional to 36,145,289.68, 49,880,275.08 and 20,675,632.72

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Solution

The fourth proportional to 36,145,289.68, 49,880,275.08 and 20,675,632.72 is: 28,532,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145,289.68 : 49,880,275.08 = 20,675,632.72 : x
  2. Step 2: Convert to fraction form
    36,145,289.68/49,880,275.08 = 20,675,632.72/x
  3. Step 3: Cross multiply
    36,145,289.68x = 49,880,275.08 × 20,675,632.72
  4. Step 4: Simplify right side
    36,145,289.68x = 1,031,306,247,526,648.50
  5. Step 5: Solve for x
    x = 1,031,306,247,526,648.50/36,145,289.68
  6. Step 6: Final answer
    x = 28,532,244.63

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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.