Home / 8,702,168.16-12,008,287.96-5,031,320.24

Finding the Fourth Proportional to 8,702,168.16, 12,008,287.96 and 5,031,320.24

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Solution

The fourth proportional to 8,702,168.16, 12,008,287.96 and 5,031,320.24 is: 6,942,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,168.16 : 12,008,287.96 = 5,031,320.24 : x
  2. Step 2: Convert to fraction form
    8,702,168.16/12,008,287.96 = 5,031,320.24/x
  3. Step 3: Cross multiply
    8,702,168.16x = 12,008,287.96 × 5,031,320.24
  4. Step 4: Simplify right side
    8,702,168.16x = 60,417,542,260,896.32
  5. Step 5: Solve for x
    x = 60,417,542,260,896.32/8,702,168.16
  6. Step 6: Final answer
    x = 6,942,814.84

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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.