Home / 53,173,722.32-79,760,584.12-12,784,206.48

Finding the Fourth Proportional to 53,173,722.32, 79,760,584.12 and 12,784,206.48

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Solution

The fourth proportional to 53,173,722.32, 79,760,584.12 and 12,784,206.48 is: 19,176,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,173,722.32 : 79,760,584.12 = 12,784,206.48 : x
  2. Step 2: Convert to fraction form
    53,173,722.32/79,760,584.12 = 12,784,206.48/x
  3. Step 3: Cross multiply
    53,173,722.32x = 79,760,584.12 × 12,784,206.48
  4. Step 4: Simplify right side
    53,173,722.32x = 1,019,675,776,355,489.25
  5. Step 5: Solve for x
    x = 1,019,675,776,355,489.25/53,173,722.32
  6. Step 6: Final answer
    x = 19,176,309.87

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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.