Home / 7,119,429.02-9,824,812.35-3,856,243.75

Finding the Fourth Proportional to 7,119,429.02, 9,824,812.35 and 3,856,243.75

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Solution

The fourth proportional to 7,119,429.02, 9,824,812.35 and 3,856,243.75 is: 5,321,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,429.02 : 9,824,812.35 = 3,856,243.75 : x
  2. Step 2: Convert to fraction form
    7,119,429.02/9,824,812.35 = 3,856,243.75/x
  3. Step 3: Cross multiply
    7,119,429.02x = 9,824,812.35 × 3,856,243.75
  4. Step 4: Simplify right side
    7,119,429.02x = 37,886,871,180,587.37
  5. Step 5: Solve for x
    x = 37,886,871,180,587.37/7,119,429.02
  6. Step 6: Final answer
    x = 5,321,616.53

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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.