Home / 7,871,040-10,861,917.44-4,433,615.36

Finding the Fourth Proportional to 7,871,040, 10,861,917.44 and 4,433,615.36

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Solution

The fourth proportional to 7,871,040, 10,861,917.44 and 4,433,615.36 is: 6,118,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871,040 : 10,861,917.44 = 4,433,615.36 : x
  2. Step 2: Convert to fraction form
    7,871,040/10,861,917.44 = 4,433,615.36/x
  3. Step 3: Cross multiply
    7,871,040x = 10,861,917.44 × 4,433,615.36
  4. Step 4: Simplify right side
    7,871,040x = 48,157,564,001,035.88
  5. Step 5: Solve for x
    x = 48,157,564,001,035.88/7,871,040
  6. Step 6: Final answer
    x = 6,118,322.86

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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.