Home / 27,087,932.81-40,631,789.76-9,812,090.21

Finding the Fourth Proportional to 27,087,932.81, 40,631,789.76 and 9,812,090.21

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Solution

The fourth proportional to 27,087,932.81, 40,631,789.76 and 9,812,090.21 is: 14,718,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087,932.81 : 40,631,789.76 = 9,812,090.21 : x
  2. Step 2: Convert to fraction form
    27,087,932.81/40,631,789.76 = 9,812,090.21/x
  3. Step 3: Cross multiply
    27,087,932.81x = 40,631,789.76 × 9,812,090.21
  4. Step 4: Simplify right side
    27,087,932.81x = 398,682,786,315,715.31
  5. Step 5: Solve for x
    x = 398,682,786,315,715.31/27,087,932.81
  6. Step 6: Final answer
    x = 14,718,095.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.