Home / 27,918,553.14-38,527,050.69-15,528,380.04

Finding the Fourth Proportional to 27,918,553.14, 38,527,050.69 and 15,528,380.04

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Solution

The fourth proportional to 27,918,553.14, 38,527,050.69 and 15,528,380.04 is: 21,428,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918,553.14 : 38,527,050.69 = 15,528,380.04 : x
  2. Step 2: Convert to fraction form
    27,918,553.14/38,527,050.69 = 15,528,380.04/x
  3. Step 3: Cross multiply
    27,918,553.14x = 38,527,050.69 × 15,528,380.04
  4. Step 4: Simplify right side
    27,918,553.14x = 598,262,684,934,664.12
  5. Step 5: Solve for x
    x = 598,262,684,934,664.12/27,918,553.14
  6. Step 6: Final answer
    x = 21,428,857.07

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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.