Home / 10,278,479.43-15,412,932.59-4,598,750.79

Finding the Fourth Proportional to 10,278,479.43, 15,412,932.59 and 4,598,750.79

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Solution

The fourth proportional to 10,278,479.43, 15,412,932.59 and 4,598,750.79 is: 6,895,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,479.43 : 15,412,932.59 = 4,598,750.79 : x
  2. Step 2: Convert to fraction form
    10,278,479.43/15,412,932.59 = 4,598,750.79/x
  3. Step 3: Cross multiply
    10,278,479.43x = 15,412,932.59 × 4,598,750.79
  4. Step 4: Simplify right side
    10,278,479.43x = 70,880,235,901,485.50
  5. Step 5: Solve for x
    x = 70,880,235,901,485.50/10,278,479.43
  6. Step 6: Final answer
    x = 6,895,984.60

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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.