Home / 14,482,988-19,986,735.26-7,867,699.37

Finding the Fourth Proportional to 14,482,988, 19,986,735.26 and 7,867,699.37

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Solution

The fourth proportional to 14,482,988, 19,986,735.26 and 7,867,699.37 is: 10,857,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482,988 : 19,986,735.26 = 7,867,699.37 : x
  2. Step 2: Convert to fraction form
    14,482,988/19,986,735.26 = 7,867,699.37/x
  3. Step 3: Cross multiply
    14,482,988x = 19,986,735.26 × 7,867,699.37
  4. Step 4: Simplify right side
    14,482,988x = 157,249,624,413,458.81
  5. Step 5: Solve for x
    x = 157,249,624,413,458.81/14,482,988
  6. Step 6: Final answer
    x = 10,857,540.20

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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.