Home / 30,656,288.34-45,932,378.25-18,500,207.88

Finding the Fourth Proportional to 30,656,288.34, 45,932,378.25 and 18,500,207.88

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Solution

The fourth proportional to 30,656,288.34, 45,932,378.25 and 18,500,207.88 is: 27,718,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656,288.34 : 45,932,378.25 = 18,500,207.88 : x
  2. Step 2: Convert to fraction form
    30,656,288.34/45,932,378.25 = 18,500,207.88/x
  3. Step 3: Cross multiply
    30,656,288.34x = 45,932,378.25 × 18,500,207.88
  4. Step 4: Simplify right side
    30,656,288.34x = 849,758,546,047,790.50
  5. Step 5: Solve for x
    x = 849,758,546,047,790.50/30,656,288.34
  6. Step 6: Final answer
    x = 27,718,898.54

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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.