Home / 18,531,929.40-27,797,894.10-13,748,960.40

Finding the Fourth Proportional to 18,531,929.40, 27,797,894.10 and 13,748,960.40

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Solution

The fourth proportional to 18,531,929.40, 27,797,894.10 and 13,748,960.40 is: 20,623,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531,929.40 : 27,797,894.10 = 13,748,960.40 : x
  2. Step 2: Convert to fraction form
    18,531,929.40/27,797,894.10 = 13,748,960.40/x
  3. Step 3: Cross multiply
    18,531,929.40x = 27,797,894.10 × 13,748,960.40
  4. Step 4: Simplify right side
    18,531,929.40x = 382,192,145,184,293.69
  5. Step 5: Solve for x
    x = 382,192,145,184,293.69/18,531,929.40
  6. Step 6: Final answer
    x = 20,623,440.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.