Home / 14,995,840.36-20,694,358.02-8,120,322.76

Finding the Fourth Proportional to 14,995,840.36, 20,694,358.02 and 8,120,322.76

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Solution

The fourth proportional to 14,995,840.36, 20,694,358.02 and 8,120,322.76 is: 11,206,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995,840.36 : 20,694,358.02 = 8,120,322.76 : x
  2. Step 2: Convert to fraction form
    14,995,840.36/20,694,358.02 = 8,120,322.76/x
  3. Step 3: Cross multiply
    14,995,840.36x = 20,694,358.02 × 8,120,322.76
  4. Step 4: Simplify right side
    14,995,840.36x = 168,044,866,433,394.53
  5. Step 5: Solve for x
    x = 168,044,866,433,394.53/14,995,840.36
  6. Step 6: Final answer
    x = 11,206,098.65

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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.