Home / 21,600,530.78-32,400,827.36-8,821,035.49

Finding the Fourth Proportional to 21,600,530.78, 32,400,827.36 and 8,821,035.49

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Solution

The fourth proportional to 21,600,530.78, 32,400,827.36 and 8,821,035.49 is: 13,231,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600,530.78 : 32,400,827.36 = 8,821,035.49 : x
  2. Step 2: Convert to fraction form
    21,600,530.78/32,400,827.36 = 8,821,035.49/x
  3. Step 3: Cross multiply
    21,600,530.78x = 32,400,827.36 × 8,821,035.49
  4. Step 4: Simplify right side
    21,600,530.78x = 285,808,847,992,808
  5. Step 5: Solve for x
    x = 285,808,847,992,808/21,600,530.78
  6. Step 6: Final answer
    x = 13,231,565.97

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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.