Home / 13,739,731.66-18,960,089.47-7,627,766.50

Finding the Fourth Proportional to 13,739,731.66, 18,960,089.47 and 7,627,766.50

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Solution

The fourth proportional to 13,739,731.66, 18,960,089.47 and 7,627,766.50 is: 10,525,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,731.66 : 18,960,089.47 = 7,627,766.50 : x
  2. Step 2: Convert to fraction form
    13,739,731.66/18,960,089.47 = 7,627,766.50/x
  3. Step 3: Cross multiply
    13,739,731.66x = 18,960,089.47 × 7,627,766.50
  4. Step 4: Simplify right side
    13,739,731.66x = 144,623,135,296,268.75
  5. Step 5: Solve for x
    x = 144,623,135,296,268.75/13,739,731.66
  6. Step 6: Final answer
    x = 10,525,906.83

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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.