Home / 20,412,718-30,608,446.02-9,627,122.77

Finding the Fourth Proportional to 20,412,718, 30,608,446.02 and 9,627,122.77

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Solution

The fourth proportional to 20,412,718, 30,608,446.02 and 9,627,122.77 is: 14,435,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,718 : 30,608,446.02 = 9,627,122.77 : x
  2. Step 2: Convert to fraction form
    20,412,718/30,608,446.02 = 9,627,122.77/x
  3. Step 3: Cross multiply
    20,412,718x = 30,608,446.02 × 9,627,122.77
  4. Step 4: Simplify right side
    20,412,718x = 294,671,267,633,457.88
  5. Step 5: Solve for x
    x = 294,671,267,633,457.88/20,412,718
  6. Step 6: Final answer
    x = 14,435,670.33

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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.