Home / 7,134,888-9,846,095.40-3,871,619.64

Finding the Fourth Proportional to 7,134,888, 9,846,095.40 and 3,871,619.64

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Solution

The fourth proportional to 7,134,888, 9,846,095.40 and 3,871,619.64 is: 5,342,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134,888 : 9,846,095.40 = 3,871,619.64 : x
  2. Step 2: Convert to fraction form
    7,134,888/9,846,095.40 = 3,871,619.64/x
  3. Step 3: Cross multiply
    7,134,888x = 9,846,095.40 × 3,871,619.64
  4. Step 4: Simplify right side
    7,134,888x = 38,120,336,327,953.66
  5. Step 5: Solve for x
    x = 38,120,336,327,953.66/7,134,888
  6. Step 6: Final answer
    x = 5,342,807.95

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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.