Home / 13,693,293.98-18,897,336.15-7,581,723.02

Finding the Fourth Proportional to 13,693,293.98, 18,897,336.15 and 7,581,723.02

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Solution

The fourth proportional to 13,693,293.98, 18,897,336.15 and 7,581,723.02 is: 10,463,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,293.98 : 18,897,336.15 = 7,581,723.02 : x
  2. Step 2: Convert to fraction form
    13,693,293.98/18,897,336.15 = 7,581,723.02/x
  3. Step 3: Cross multiply
    13,693,293.98x = 18,897,336.15 × 7,581,723.02
  4. Step 4: Simplify right side
    13,693,293.98x = 143,274,368,505,133.16
  5. Step 5: Solve for x
    x = 143,274,368,505,133.16/13,693,293.98
  6. Step 6: Final answer
    x = 10,463,104.69

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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.