Home / 12,442,073-18,663,109.74-2,986,457

Finding the Fourth Proportional to 12,442,073, 18,663,109.74 and 2,986,457

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Solution

The fourth proportional to 12,442,073, 18,663,109.74 and 2,986,457 is: 4,479,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,073 : 18,663,109.74 = 2,986,457 : x
  2. Step 2: Convert to fraction form
    12,442,073/18,663,109.74 = 2,986,457/x
  3. Step 3: Cross multiply
    12,442,073x = 18,663,109.74 × 2,986,457
  4. Step 4: Simplify right side
    12,442,073x = 55,736,574,724,791.17
  5. Step 5: Solve for x
    x = 55,736,574,724,791.17/12,442,073
  6. Step 6: Final answer
    x = 4,479,685.56

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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.