Home / 6,978,139.46-10,465,829.52-6,632,089.30

Finding the Fourth Proportional to 6,978,139.46, 10,465,829.52 and 6,632,089.30

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Solution

The fourth proportional to 6,978,139.46, 10,465,829.52 and 6,632,089.30 is: 9,946,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978,139.46 : 10,465,829.52 = 6,632,089.30 : x
  2. Step 2: Convert to fraction form
    6,978,139.46/10,465,829.52 = 6,632,089.30/x
  3. Step 3: Cross multiply
    6,978,139.46x = 10,465,829.52 × 6,632,089.30
  4. Step 4: Simplify right side
    6,978,139.46x = 69,410,315,975,216.13
  5. Step 5: Solve for x
    x = 69,410,315,975,216.13/6,978,139.46
  6. Step 6: Final answer
    x = 9,946,822.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.