Home / 10,431,437.52-15,646,990-2,858,403.36

Finding the Fourth Proportional to 10,431,437.52, 15,646,990 and 2,858,403.36

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Solution

The fourth proportional to 10,431,437.52, 15,646,990 and 2,858,403.36 is: 4,287,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431,437.52 : 15,646,990 = 2,858,403.36 : x
  2. Step 2: Convert to fraction form
    10,431,437.52/15,646,990 = 2,858,403.36/x
  3. Step 3: Cross multiply
    10,431,437.52x = 15,646,990 × 2,858,403.36
  4. Step 4: Simplify right side
    10,431,437.52x = 44,725,408,789,886.40
  5. Step 5: Solve for x
    x = 44,725,408,789,886.40/10,431,437.52
  6. Step 6: Final answer
    x = 4,287,559.48

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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.