Home / 28,446,043.41-39,255,643.53-15,393,301.20

Finding the Fourth Proportional to 28,446,043.41, 39,255,643.53 and 15,393,301.20

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Solution

The fourth proportional to 28,446,043.41, 39,255,643.53 and 15,393,301.20 is: 21,242,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,043.41 : 39,255,643.53 = 15,393,301.20 : x
  2. Step 2: Convert to fraction form
    28,446,043.41/39,255,643.53 = 15,393,301.20/x
  3. Step 3: Cross multiply
    28,446,043.41x = 39,255,643.53 × 15,393,301.20
  4. Step 4: Simplify right side
    28,446,043.41x = 604,273,944,657,121.25
  5. Step 5: Solve for x
    x = 604,273,944,657,121.25/28,446,043.41
  6. Step 6: Final answer
    x = 21,242,811.73

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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.