Home / 28,085,313.88-38,757,876.54-15,695,614.12

Finding the Fourth Proportional to 28,085,313.88, 38,757,876.54 and 15,695,614.12

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Solution

The fourth proportional to 28,085,313.88, 38,757,876.54 and 15,695,614.12 is: 21,660,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085,313.88 : 38,757,876.54 = 15,695,614.12 : x
  2. Step 2: Convert to fraction form
    28,085,313.88/38,757,876.54 = 15,695,614.12/x
  3. Step 3: Cross multiply
    28,085,313.88x = 38,757,876.54 × 15,695,614.12
  4. Step 4: Simplify right side
    28,085,313.88x = 608,328,674,282,440.75
  5. Step 5: Solve for x
    x = 608,328,674,282,440.75/28,085,313.88
  6. Step 6: Final answer
    x = 21,660,027.62

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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.