Home / 20,761,392.52-28,634,798.40-12,492,834.92

Finding the Fourth Proportional to 20,761,392.52, 28,634,798.40 and 12,492,834.92

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Solution

The fourth proportional to 20,761,392.52, 28,634,798.40 and 12,492,834.92 is: 17,230,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,761,392.52 : 28,634,798.40 = 12,492,834.92 : x
  2. Step 2: Convert to fraction form
    20,761,392.52/28,634,798.40 = 12,492,834.92/x
  3. Step 3: Cross multiply
    20,761,392.52x = 28,634,798.40 × 12,492,834.92
  4. Step 4: Simplify right side
    20,761,392.52x = 357,729,809,378,680.12
  5. Step 5: Solve for x
    x = 357,729,809,378,680.12/20,761,392.52
  6. Step 6: Final answer
    x = 17,230,530.61

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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.