Home / 12,112,689.81-18,171,735.32-3,476,117.01

Finding the Fourth Proportional to 12,112,689.81, 18,171,735.32 and 3,476,117.01

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Solution

The fourth proportional to 12,112,689.81, 18,171,735.32 and 3,476,117.01 is: 5,214,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,689.81 : 18,171,735.32 = 3,476,117.01 : x
  2. Step 2: Convert to fraction form
    12,112,689.81/18,171,735.32 = 3,476,117.01/x
  3. Step 3: Cross multiply
    12,112,689.81x = 18,171,735.32 × 3,476,117.01
  4. Step 4: Simplify right side
    12,112,689.81x = 63,167,078,221,688.09
  5. Step 5: Solve for x
    x = 63,167,078,221,688.09/12,112,689.81
  6. Step 6: Final answer
    x = 5,214,950.53

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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.