Home / 13,632,697.38-18,812,464.73-7,437,374.72

Finding the Fourth Proportional to 13,632,697.38, 18,812,464.73 and 7,437,374.72

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Solution

The fourth proportional to 13,632,697.38, 18,812,464.73 and 7,437,374.72 is: 10,263,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632,697.38 : 18,812,464.73 = 7,437,374.72 : x
  2. Step 2: Convert to fraction form
    13,632,697.38/18,812,464.73 = 7,437,374.72/x
  3. Step 3: Cross multiply
    13,632,697.38x = 18,812,464.73 × 7,437,374.72
  4. Step 4: Simplify right side
    13,632,697.38x = 139,915,349,472,544.44
  5. Step 5: Solve for x
    x = 139,915,349,472,544.44/13,632,697.38
  6. Step 6: Final answer
    x = 10,263,218.32

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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.