Home / 22,969,989.60-31,699,997.68-12,656,710

Finding the Fourth Proportional to 22,969,989.60, 31,699,997.68 and 12,656,710

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Solution

The fourth proportional to 22,969,989.60, 31,699,997.68 and 12,656,710 is: 17,467,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,969,989.60 : 31,699,997.68 = 12,656,710 : x
  2. Step 2: Convert to fraction form
    22,969,989.60/31,699,997.68 = 12,656,710/x
  3. Step 3: Cross multiply
    22,969,989.60x = 31,699,997.68 × 12,656,710
  4. Step 4: Simplify right side
    22,969,989.60x = 401,217,677,636,432.81
  5. Step 5: Solve for x
    x = 401,217,677,636,432.81/22,969,989.60
  6. Step 6: Final answer
    x = 17,467,037.84

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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.