Home / 15,554,445.30-21,459,147.75-9,743,110.02

Finding the Fourth Proportional to 15,554,445.30, 21,459,147.75 and 9,743,110.02

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Solution

The fourth proportional to 15,554,445.30, 21,459,147.75 and 9,743,110.02 is: 13,441,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554,445.30 : 21,459,147.75 = 9,743,110.02 : x
  2. Step 2: Convert to fraction form
    15,554,445.30/21,459,147.75 = 9,743,110.02/x
  3. Step 3: Cross multiply
    15,554,445.30x = 21,459,147.75 × 9,743,110.02
  4. Step 4: Simplify right side
    15,554,445.30x = 209,078,837,463,685.44
  5. Step 5: Solve for x
    x = 209,078,837,463,685.44/15,554,445.30
  6. Step 6: Final answer
    x = 13,441,741.79

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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.