Home / 14,948,182.47-20,628,491.13-8,072,663.93

Finding the Fourth Proportional to 14,948,182.47, 20,628,491.13 and 8,072,663.93

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Solution

The fourth proportional to 14,948,182.47, 20,628,491.13 and 8,072,663.93 is: 11,140,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948,182.47 : 20,628,491.13 = 8,072,663.93 : x
  2. Step 2: Convert to fraction form
    14,948,182.47/20,628,491.13 = 8,072,663.93/x
  3. Step 3: Cross multiply
    14,948,182.47x = 20,628,491.13 × 8,072,663.93
  4. Step 4: Simplify right side
    14,948,182.47x = 166,526,876,172,333.47
  5. Step 5: Solve for x
    x = 166,526,876,172,333.47/14,948,182.47
  6. Step 6: Final answer
    x = 11,140,275.85

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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.