Home / 15,475,754.96-21,354,846-8,948,396.60

Finding the Fourth Proportional to 15,475,754.96, 21,354,846 and 8,948,396.60

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Solution

The fourth proportional to 15,475,754.96, 21,354,846 and 8,948,396.60 is: 12,347,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475,754.96 : 21,354,846 = 8,948,396.60 : x
  2. Step 2: Convert to fraction form
    15,475,754.96/21,354,846 = 8,948,396.60/x
  3. Step 3: Cross multiply
    15,475,754.96x = 21,354,846 × 8,948,396.60
  4. Step 4: Simplify right side
    15,475,754.96x = 191,091,631,339,923.59
  5. Step 5: Solve for x
    x = 191,091,631,339,923.59/15,475,754.96
  6. Step 6: Final answer
    x = 12,347,806.74

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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.