Home / 15,870,278.88-21,901,224.60-8,902,500.84

Finding the Fourth Proportional to 15,870,278.88, 21,901,224.60 and 8,902,500.84

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Solution

The fourth proportional to 15,870,278.88, 21,901,224.60 and 8,902,500.84 is: 12,285,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870,278.88 : 21,901,224.60 = 8,902,500.84 : x
  2. Step 2: Convert to fraction form
    15,870,278.88/21,901,224.60 = 8,902,500.84/x
  3. Step 3: Cross multiply
    15,870,278.88x = 21,901,224.60 × 8,902,500.84
  4. Step 4: Simplify right side
    15,870,278.88x = 194,975,670,398,528.69
  5. Step 5: Solve for x
    x = 194,975,670,398,528.69/15,870,278.88
  6. Step 6: Final answer
    x = 12,285,585.65

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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.