Home / 13,614,018.18-18,787,349.01-7,419,066.62

Finding the Fourth Proportional to 13,614,018.18, 18,787,349.01 and 7,419,066.62

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Solution

The fourth proportional to 13,614,018.18, 18,787,349.01 and 7,419,066.62 is: 10,238,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,018.18 : 18,787,349.01 = 7,419,066.62 : x
  2. Step 2: Convert to fraction form
    13,614,018.18/18,787,349.01 = 7,419,066.62/x
  3. Step 3: Cross multiply
    13,614,018.18x = 18,787,349.01 × 7,419,066.62
  4. Step 4: Simplify right side
    13,614,018.18x = 139,384,593,824,444.31
  5. Step 5: Solve for x
    x = 139,384,593,824,444.31/13,614,018.18
  6. Step 6: Final answer
    x = 10,238,314.07

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1.5x scale

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.