Home / 13,518,191.23-18,679,849.54-9,840,723.30

Finding the Fourth Proportional to 13,518,191.23, 18,679,849.54 and 9,840,723.30

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Solution

The fourth proportional to 13,518,191.23, 18,679,849.54 and 9,840,723.30 is: 13,598,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,191.23 : 18,679,849.54 = 9,840,723.30 : x
  2. Step 2: Convert to fraction form
    13,518,191.23/18,679,849.54 = 9,840,723.30/x
  3. Step 3: Cross multiply
    13,518,191.23x = 18,679,849.54 × 9,840,723.30
  4. Step 4: Simplify right side
    13,518,191.23x = 183,823,230,584,170.50
  5. Step 5: Solve for x
    x = 183,823,230,584,170.50/13,518,191.23
  6. Step 6: Final answer
    x = 13,598,212.03

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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.