Home / 10,670,490.72-14,725,275.12-5,775,711.84

Finding the Fourth Proportional to 10,670,490.72, 14,725,275.12 and 5,775,711.84

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Solution

The fourth proportional to 10,670,490.72, 14,725,275.12 and 5,775,711.84 is: 7,970,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670,490.72 : 14,725,275.12 = 5,775,711.84 : x
  2. Step 2: Convert to fraction form
    10,670,490.72/14,725,275.12 = 5,775,711.84/x
  3. Step 3: Cross multiply
    10,670,490.72x = 14,725,275.12 × 5,775,711.84
  4. Step 4: Simplify right side
    10,670,490.72x = 85,048,945,857,841.41
  5. Step 5: Solve for x
    x = 85,048,945,857,841.41/10,670,490.72
  6. Step 6: Final answer
    x = 7,970,481.22

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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.