Home / 7,777,215.65-10,729,564.23-4,871,548.01

Finding the Fourth Proportional to 7,777,215.65, 10,729,564.23 and 4,871,548.01

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Solution

The fourth proportional to 7,777,215.65, 10,729,564.23 and 4,871,548.01 is: 6,720,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,215.65 : 10,729,564.23 = 4,871,548.01 : x
  2. Step 2: Convert to fraction form
    7,777,215.65/10,729,564.23 = 4,871,548.01/x
  3. Step 3: Cross multiply
    7,777,215.65x = 10,729,564.23 × 4,871,548.01
  4. Step 4: Simplify right side
    7,777,215.65x = 52,269,587,272,823.68
  5. Step 5: Solve for x
    x = 52,269,587,272,823.68/7,777,215.65
  6. Step 6: Final answer
    x = 6,720,861.25

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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.