Home / 15,532,739.82-21,430,431-9,005,066.82

Finding the Fourth Proportional to 15,532,739.82, 21,430,431 and 9,005,066.82

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Solution

The fourth proportional to 15,532,739.82, 21,430,431 and 9,005,066.82 is: 12,424,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,532,739.82 : 21,430,431 = 9,005,066.82 : x
  2. Step 2: Convert to fraction form
    15,532,739.82/21,430,431 = 9,005,066.82/x
  3. Step 3: Cross multiply
    15,532,739.82x = 21,430,431 × 9,005,066.82
  4. Step 4: Simplify right side
    15,532,739.82x = 192,982,463,136,399.44
  5. Step 5: Solve for x
    x = 192,982,463,136,399.44/15,532,739.82
  6. Step 6: Final answer
    x = 12,424,238.44

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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.