Home / 14,482,987-19,986,733.88-7,867,698.37

Finding the Fourth Proportional to 14,482,987, 19,986,733.88 and 7,867,698.37

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Solution

The fourth proportional to 14,482,987, 19,986,733.88 and 7,867,698.37 is: 10,857,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482,987 : 19,986,733.88 = 7,867,698.37 : x
  2. Step 2: Convert to fraction form
    14,482,987/19,986,733.88 = 7,867,698.37/x
  3. Step 3: Cross multiply
    14,482,987x = 19,986,733.88 × 7,867,698.37
  4. Step 4: Simplify right side
    14,482,987x = 157,249,593,569,299.78
  5. Step 5: Solve for x
    x = 157,249,593,569,299.78/14,482,987
  6. Step 6: Final answer
    x = 10,857,538.82

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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.