Home / 15,779,382.40-21,775,335.99-8,810,167

Finding the Fourth Proportional to 15,779,382.40, 21,775,335.99 and 8,810,167

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Solution

The fourth proportional to 15,779,382.40, 21,775,335.99 and 8,810,167 is: 12,157,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,382.40 : 21,775,335.99 = 8,810,167 : x
  2. Step 2: Convert to fraction form
    15,779,382.40/21,775,335.99 = 8,810,167/x
  3. Step 3: Cross multiply
    15,779,382.40x = 21,775,335.99 × 8,810,167
  4. Step 4: Simplify right side
    15,779,382.40x = 191,844,346,553,010.31
  5. Step 5: Solve for x
    x = 191,844,346,553,010.31/15,779,382.40
  6. Step 6: Final answer
    x = 12,157,912.25

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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.