Home / 21,482,436.45-32,222,780.76-5,307,980.41

Finding the Fourth Proportional to 21,482,436.45, 32,222,780.76 and 5,307,980.41

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Solution

The fourth proportional to 21,482,436.45, 32,222,780.76 and 5,307,980.41 is: 7,961,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,436.45 : 32,222,780.76 = 5,307,980.41 : x
  2. Step 2: Convert to fraction form
    21,482,436.45/32,222,780.76 = 5,307,980.41/x
  3. Step 3: Cross multiply
    21,482,436.45x = 32,222,780.76 × 5,307,980.41
  4. Step 4: Simplify right side
    21,482,436.45x = 171,037,889,029,804.94
  5. Step 5: Solve for x
    x = 171,037,889,029,804.94/21,482,436.45
  6. Step 6: Final answer
    x = 7,961,754.68

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1.5x scale

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.