Home / 13,780,425.58-19,017,489.49-7,500,649.52

Finding the Fourth Proportional to 13,780,425.58, 19,017,489.49 and 7,500,649.52

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Solution

The fourth proportional to 13,780,425.58, 19,017,489.49 and 7,500,649.52 is: 10,351,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,425.58 : 19,017,489.49 = 7,500,649.52 : x
  2. Step 2: Convert to fraction form
    13,780,425.58/19,017,489.49 = 7,500,649.52/x
  3. Step 3: Cross multiply
    13,780,425.58x = 19,017,489.49 × 7,500,649.52
  4. Step 4: Simplify right side
    13,780,425.58x = 142,643,523,532,115.72
  5. Step 5: Solve for x
    x = 142,643,523,532,115.72/13,780,425.58
  6. Step 6: Final answer
    x = 10,351,169.68

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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.