Home / 10,308,466.80-15,431,207.40-8,040,985.20

Finding the Fourth Proportional to 10,308,466.80, 15,431,207.40 and 8,040,985.20

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Solution

The fourth proportional to 10,308,466.80, 15,431,207.40 and 8,040,985.20 is: 12,036,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308,466.80 : 15,431,207.40 = 8,040,985.20 : x
  2. Step 2: Convert to fraction form
    10,308,466.80/15,431,207.40 = 8,040,985.20/x
  3. Step 3: Cross multiply
    10,308,466.80x = 15,431,207.40 × 8,040,985.20
  4. Step 4: Simplify right side
    10,308,466.80x = 124,082,110,321,530.48
  5. Step 5: Solve for x
    x = 124,082,110,321,530.48/10,308,466.80
  6. Step 6: Final answer
    x = 12,036,912.25

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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.