Home / 15,210,138-20,989,990.44-8,771,610

Finding the Fourth Proportional to 15,210,138, 20,989,990.44 and 8,771,610

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Solution

The fourth proportional to 15,210,138, 20,989,990.44 and 8,771,610 is: 12,104,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210,138 : 20,989,990.44 = 8,771,610 : x
  2. Step 2: Convert to fraction form
    15,210,138/20,989,990.44 = 8,771,610/x
  3. Step 3: Cross multiply
    15,210,138x = 20,989,990.44 × 8,771,610
  4. Step 4: Simplify right side
    15,210,138x = 184,116,010,043,408.41
  5. Step 5: Solve for x
    x = 184,116,010,043,408.41/15,210,138
  6. Step 6: Final answer
    x = 12,104,821.80

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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.