Home / 28,560,073.43-39,412,947.99-15,507,357.59

Finding the Fourth Proportional to 28,560,073.43, 39,412,947.99 and 15,507,357.59

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Solution

The fourth proportional to 28,560,073.43, 39,412,947.99 and 15,507,357.59 is: 21,400,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560,073.43 : 39,412,947.99 = 15,507,357.59 : x
  2. Step 2: Convert to fraction form
    28,560,073.43/39,412,947.99 = 15,507,357.59/x
  3. Step 3: Cross multiply
    28,560,073.43x = 39,412,947.99 × 15,507,357.59
  4. Step 4: Simplify right side
    28,560,073.43x = 611,190,677,959,937.12
  5. Step 5: Solve for x
    x = 611,190,677,959,937.12/28,560,073.43
  6. Step 6: Final answer
    x = 21,400,178.80

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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.