Home / 12,748,588.38-19,126,620.72-4,112,515.80

Finding the Fourth Proportional to 12,748,588.38, 19,126,620.72 and 4,112,515.80

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Solution

The fourth proportional to 12,748,588.38, 19,126,620.72 and 4,112,515.80 is: 6,169,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748,588.38 : 19,126,620.72 = 4,112,515.80 : x
  2. Step 2: Convert to fraction form
    12,748,588.38/19,126,620.72 = 4,112,515.80/x
  3. Step 3: Cross multiply
    12,748,588.38x = 19,126,620.72 × 4,112,515.80
  4. Step 4: Simplify right side
    12,748,588.38x = 78,658,529,911,607.38
  5. Step 5: Solve for x
    x = 78,658,529,911,607.38/12,748,588.38
  6. Step 6: Final answer
    x = 6,169,979.57

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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.