Home / 13,575,392.76-18,732,933.90-7,992,758.04

Finding the Fourth Proportional to 13,575,392.76, 18,732,933.90 and 7,992,758.04

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Solution

The fourth proportional to 13,575,392.76, 18,732,933.90 and 7,992,758.04 is: 11,029,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575,392.76 : 18,732,933.90 = 7,992,758.04 : x
  2. Step 2: Convert to fraction form
    13,575,392.76/18,732,933.90 = 7,992,758.04/x
  3. Step 3: Cross multiply
    13,575,392.76x = 18,732,933.90 × 7,992,758.04
  4. Step 4: Simplify right side
    13,575,392.76x = 149,727,808,042,013.53
  5. Step 5: Solve for x
    x = 149,727,808,042,013.53/13,575,392.76
  6. Step 6: Final answer
    x = 11,029,353.68

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1.5x scale

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.