Home / 13,694,316.16-18,898,509-7,499,704.36

Finding the Fourth Proportional to 13,694,316.16, 18,898,509 and 7,499,704.36

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Solution

The fourth proportional to 13,694,316.16, 18,898,509 and 7,499,704.36 is: 10,349,785.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694,316.16 : 18,898,509 = 7,499,704.36 : x
  2. Step 2: Convert to fraction form
    13,694,316.16/18,898,509 = 7,499,704.36/x
  3. Step 3: Cross multiply
    13,694,316.16x = 18,898,509 × 7,499,704.36
  4. Step 4: Simplify right side
    13,694,316.16x = 141,733,230,344,799.25
  5. Step 5: Solve for x
    x = 141,733,230,344,799.25/13,694,316.16
  6. Step 6: Final answer
    x = 10,349,785.17

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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.