Home / 15,779,374.62-21,775,325.31-8,810,159.24

Finding the Fourth Proportional to 15,779,374.62, 21,775,325.31 and 8,810,159.24

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Solution

The fourth proportional to 15,779,374.62, 21,775,325.31 and 8,810,159.24 is: 12,157,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,374.62 : 21,775,325.31 = 8,810,159.24 : x
  2. Step 2: Convert to fraction form
    15,779,374.62/21,775,325.31 = 8,810,159.24/x
  3. Step 3: Cross multiply
    15,779,374.62x = 21,775,325.31 × 8,810,159.24
  4. Step 4: Simplify right side
    15,779,374.62x = 191,844,083,375,025.72
  5. Step 5: Solve for x
    x = 191,844,083,375,025.72/15,779,374.62
  6. Step 6: Final answer
    x = 12,157,901.56

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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.