Home / 20,336,888.34-30,506,382.27-5,190,951.06

Finding the Fourth Proportional to 20,336,888.34, 30,506,382.27 and 5,190,951.06

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Solution

The fourth proportional to 20,336,888.34, 30,506,382.27 and 5,190,951.06 is: 7,786,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336,888.34 : 30,506,382.27 = 5,190,951.06 : x
  2. Step 2: Convert to fraction form
    20,336,888.34/30,506,382.27 = 5,190,951.06/x
  3. Step 3: Cross multiply
    20,336,888.34x = 30,506,382.27 × 5,190,951.06
  4. Step 4: Simplify right side
    20,336,888.34x = 158,357,137,381,221.69
  5. Step 5: Solve for x
    x = 158,357,137,381,221.69/20,336,888.34
  6. Step 6: Final answer
    x = 7,786,694.54

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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.