Home / 14,008,199.76-21,018,684.06-7,189,561.32

Finding the Fourth Proportional to 14,008,199.76, 21,018,684.06 and 7,189,561.32

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Solution

The fourth proportional to 14,008,199.76, 21,018,684.06 and 7,189,561.32 is: 10,787,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008,199.76 : 21,018,684.06 = 7,189,561.32 : x
  2. Step 2: Convert to fraction form
    14,008,199.76/21,018,684.06 = 7,189,561.32/x
  3. Step 3: Cross multiply
    14,008,199.76x = 21,018,684.06 × 7,189,561.32
  4. Step 4: Simplify right side
    14,008,199.76x = 151,115,117,915,076.56
  5. Step 5: Solve for x
    x = 151,115,117,915,076.56/14,008,199.76
  6. Step 6: Final answer
    x = 10,787,618.72

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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.