Home / 13,978,403.12-19,296,148.46-9,397,381.70

Finding the Fourth Proportional to 13,978,403.12, 19,296,148.46 and 9,397,381.70

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Solution

The fourth proportional to 13,978,403.12, 19,296,148.46 and 9,397,381.70 is: 12,972,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,978,403.12 : 19,296,148.46 = 9,397,381.70 : x
  2. Step 2: Convert to fraction form
    13,978,403.12/19,296,148.46 = 9,397,381.70/x
  3. Step 3: Cross multiply
    13,978,403.12x = 19,296,148.46 × 9,397,381.70
  4. Step 4: Simplify right side
    13,978,403.12x = 181,333,272,418,487.19
  5. Step 5: Solve for x
    x = 181,333,272,418,487.19/13,978,403.12
  6. Step 6: Final answer
    x = 12,972,388.25

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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.