Home / 14,347,632.78-19,799,017.67-8,151,861.11

Finding the Fourth Proportional to 14,347,632.78, 19,799,017.67 and 8,151,861.11

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Solution

The fourth proportional to 14,347,632.78, 19,799,017.67 and 8,151,861.11 is: 11,249,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347,632.78 : 19,799,017.67 = 8,151,861.11 : x
  2. Step 2: Convert to fraction form
    14,347,632.78/19,799,017.67 = 8,151,861.11/x
  3. Step 3: Cross multiply
    14,347,632.78x = 19,799,017.67 × 8,151,861.11
  4. Step 4: Simplify right side
    14,347,632.78x = 161,398,842,081,660.38
  5. Step 5: Solve for x
    x = 161,398,842,081,660.38/14,347,632.78
  6. Step 6: Final answer
    x = 11,249,161.76

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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.