Home / 21,482,436.95-32,222,781.51-5,307,980.91

Finding the Fourth Proportional to 21,482,436.95, 32,222,781.51 and 5,307,980.91

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Solution

The fourth proportional to 21,482,436.95, 32,222,781.51 and 5,307,980.91 is: 7,961,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,436.95 : 32,222,781.51 = 5,307,980.91 : x
  2. Step 2: Convert to fraction form
    21,482,436.95/32,222,781.51 = 5,307,980.91/x
  3. Step 3: Cross multiply
    21,482,436.95x = 32,222,781.51 × 5,307,980.91
  4. Step 4: Simplify right side
    21,482,436.95x = 171,037,909,122,181
  5. Step 5: Solve for x
    x = 171,037,909,122,181/21,482,436.95
  6. Step 6: Final answer
    x = 7,961,755.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.