Home / 28,446,579.41-39,256,279.52-15,393,838.32

Finding the Fourth Proportional to 28,446,579.41, 39,256,279.52 and 15,393,838.32

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Solution

The fourth proportional to 28,446,579.41, 39,256,279.52 and 15,393,838.32 is: 21,243,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,579.41 : 39,256,279.52 = 15,393,838.32 : x
  2. Step 2: Convert to fraction form
    28,446,579.41/39,256,279.52 = 15,393,838.32/x
  3. Step 3: Cross multiply
    28,446,579.41x = 39,256,279.52 × 15,393,838.32
  4. Step 4: Simplify right side
    28,446,579.41x = 604,304,819,898,638
  5. Step 5: Solve for x
    x = 604,304,819,898,638/28,446,579.41
  6. Step 6: Final answer
    x = 21,243,496.85

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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.