Home / 12,225,372.12-16,871,418.11-6,718,942.10

Finding the Fourth Proportional to 12,225,372.12, 16,871,418.11 and 6,718,942.10

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Solution

The fourth proportional to 12,225,372.12, 16,871,418.11 and 6,718,942.10 is: 9,272,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,372.12 : 16,871,418.11 = 6,718,942.10 : x
  2. Step 2: Convert to fraction form
    12,225,372.12/16,871,418.11 = 6,718,942.10/x
  3. Step 3: Cross multiply
    12,225,372.12x = 16,871,418.11 × 6,718,942.10
  4. Step 4: Simplify right side
    12,225,372.12x = 113,358,081,484,957.34
  5. Step 5: Solve for x
    x = 113,358,081,484,957.34/12,225,372.12
  6. Step 6: Final answer
    x = 9,272,362.46

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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.