Home / 16,891,121.84-23,294,697.54-13,170,875

Finding the Fourth Proportional to 16,891,121.84, 23,294,697.54 and 13,170,875

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Solution

The fourth proportional to 16,891,121.84, 23,294,697.54 and 13,170,875 is: 18,164,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891,121.84 : 23,294,697.54 = 13,170,875 : x
  2. Step 2: Convert to fraction form
    16,891,121.84/23,294,697.54 = 13,170,875/x
  3. Step 3: Cross multiply
    16,891,121.84x = 23,294,697.54 × 13,170,875
  4. Step 4: Simplify right side
    16,891,121.84x = 306,811,549,462,147.50
  5. Step 5: Solve for x
    x = 306,811,549,462,147.50/16,891,121.84
  6. Step 6: Final answer
    x = 18,164,071.78

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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.