Home / 7,134,871.64-9,846,072.86-3,871,603.35

Finding the Fourth Proportional to 7,134,871.64, 9,846,072.86 and 3,871,603.35

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Solution

The fourth proportional to 7,134,871.64, 9,846,072.86 and 3,871,603.35 is: 5,342,785.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134,871.64 : 9,846,072.86 = 3,871,603.35 : x
  2. Step 2: Convert to fraction form
    7,134,871.64/9,846,072.86 = 3,871,603.35/x
  3. Step 3: Cross multiply
    7,134,871.64x = 9,846,072.86 × 3,871,603.35
  4. Step 4: Simplify right side
    7,134,871.64x = 38,120,088,649,762.07
  5. Step 5: Solve for x
    x = 38,120,088,649,762.07/7,134,871.64
  6. Step 6: Final answer
    x = 5,342,785.49

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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.