Home / 14,981,211.30-20,674,071.27-8,105,693.36

Finding the Fourth Proportional to 14,981,211.30, 20,674,071.27 and 8,105,693.36

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Solution

The fourth proportional to 14,981,211.30, 20,674,071.27 and 8,105,693.36 is: 11,185,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981,211.30 : 20,674,071.27 = 8,105,693.36 : x
  2. Step 2: Convert to fraction form
    14,981,211.30/20,674,071.27 = 8,105,693.36/x
  3. Step 3: Cross multiply
    14,981,211.30x = 20,674,071.27 × 8,105,693.36
  4. Step 4: Simplify right side
    14,981,211.30x = 167,577,682,161,166.81
  5. Step 5: Solve for x
    x = 167,577,682,161,166.81/14,981,211.30
  6. Step 6: Final answer
    x = 11,185,856.66

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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.