Home / 13,280,442.89-18,326,527.31-7,399,773.23

Finding the Fourth Proportional to 13,280,442.89, 18,326,527.31 and 7,399,773.23

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Solution

The fourth proportional to 13,280,442.89, 18,326,527.31 and 7,399,773.23 is: 10,211,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,442.89 : 18,326,527.31 = 7,399,773.23 : x
  2. Step 2: Convert to fraction form
    13,280,442.89/18,326,527.31 = 7,399,773.23/x
  3. Step 3: Cross multiply
    13,280,442.89x = 18,326,527.31 × 7,399,773.23
  4. Step 4: Simplify right side
    13,280,442.89x = 135,612,146,058,770.41
  5. Step 5: Solve for x
    x = 135,612,146,058,770.41/13,280,442.89
  6. Step 6: Final answer
    x = 10,211,417.44

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Double scale
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1.5x scale

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.