Home / 28,298,824.97-39,051,370.01-15,739,813.31

Finding the Fourth Proportional to 28,298,824.97, 39,051,370.01 and 15,739,813.31

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Solution

The fourth proportional to 28,298,824.97, 39,051,370.01 and 15,739,813.31 is: 21,720,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298,824.97 : 39,051,370.01 = 15,739,813.31 : x
  2. Step 2: Convert to fraction form
    28,298,824.97/39,051,370.01 = 15,739,813.31/x
  3. Step 3: Cross multiply
    28,298,824.97x = 39,051,370.01 × 15,739,813.31
  4. Step 4: Simplify right side
    28,298,824.97x = 614,661,273,301,225.50
  5. Step 5: Solve for x
    x = 614,661,273,301,225.50/28,298,824.97
  6. Step 6: Final answer
    x = 21,720,381.47

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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.