Home / 12,349,742.27-18,521,010.92-4,151,457.82

Finding the Fourth Proportional to 12,349,742.27, 18,521,010.92 and 4,151,457.82

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Solution

The fourth proportional to 12,349,742.27, 18,521,010.92 and 4,151,457.82 is: 6,225,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349,742.27 : 18,521,010.92 = 4,151,457.82 : x
  2. Step 2: Convert to fraction form
    12,349,742.27/18,521,010.92 = 4,151,457.82/x
  3. Step 3: Cross multiply
    12,349,742.27x = 18,521,010.92 × 4,151,457.82
  4. Step 4: Simplify right side
    12,349,742.27x = 76,889,195,653,871.25
  5. Step 5: Solve for x
    x = 76,889,195,653,871.25/12,349,742.27
  6. Step 6: Final answer
    x = 6,225,975.73

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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.