Home / 39,959,104.11-55,143,360.93-21,624,389.61

Finding the Fourth Proportional to 39,959,104.11, 55,143,360.93 and 21,624,389.61

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Solution

The fourth proportional to 39,959,104.11, 55,143,360.93 and 21,624,389.61 is: 29,841,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,959,104.11 : 55,143,360.93 = 21,624,389.61 : x
  2. Step 2: Convert to fraction form
    39,959,104.11/55,143,360.93 = 21,624,389.61/x
  3. Step 3: Cross multiply
    39,959,104.11x = 55,143,360.93 × 21,624,389.61
  4. Step 4: Simplify right side
    39,959,104.11x = 1,192,441,521,155,172
  5. Step 5: Solve for x
    x = 1,192,441,521,155,172/39,959,104.11
  6. Step 6: Final answer
    x = 29,841,547.95

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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.