Home / 28,445,982-39,255,558.50-15,393,239.49

Finding the Fourth Proportional to 28,445,982, 39,255,558.50 and 15,393,239.49

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Solution

The fourth proportional to 28,445,982, 39,255,558.50 and 15,393,239.49 is: 21,242,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445,982 : 39,255,558.50 = 15,393,239.49 : x
  2. Step 2: Convert to fraction form
    28,445,982/39,255,558.50 = 15,393,239.49/x
  3. Step 3: Cross multiply
    28,445,982x = 39,255,558.50 × 15,393,239.49
  4. Step 4: Simplify right side
    28,445,982x = 604,270,213,227,238.88
  5. Step 5: Solve for x
    x = 604,270,213,227,238.88/28,445,982
  6. Step 6: Final answer
    x = 21,242,726.41

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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.