Home / 13,280,444.88-18,326,530.06-7,399,775.22

Finding the Fourth Proportional to 13,280,444.88, 18,326,530.06 and 7,399,775.22

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Solution

The fourth proportional to 13,280,444.88, 18,326,530.06 and 7,399,775.22 is: 10,211,420.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,444.88 : 18,326,530.06 = 7,399,775.22 : x
  2. Step 2: Convert to fraction form
    13,280,444.88/18,326,530.06 = 7,399,775.22/x
  3. Step 3: Cross multiply
    13,280,444.88x = 18,326,530.06 × 7,399,775.22
  4. Step 4: Simplify right side
    13,280,444.88x = 135,612,203,006,573.09
  5. Step 5: Solve for x
    x = 135,612,203,006,573.09/13,280,444.88
  6. Step 6: Final answer
    x = 10,211,420.19

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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.