Home / 13,301,469.64-18,354,468.67-7,499,905.39

Finding the Fourth Proportional to 13,301,469.64, 18,354,468.67 and 7,499,905.39

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Solution

The fourth proportional to 13,301,469.64, 18,354,468.67 and 7,499,905.39 is: 10,348,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,469.64 : 18,354,468.67 = 7,499,905.39 : x
  2. Step 2: Convert to fraction form
    13,301,469.64/18,354,468.67 = 7,499,905.39/x
  3. Step 3: Cross multiply
    13,301,469.64x = 18,354,468.67 × 7,499,905.39
  4. Step 4: Simplify right side
    13,301,469.64x = 137,656,778,508,719.14
  5. Step 5: Solve for x
    x = 137,656,778,508,719.14/13,301,469.64
  6. Step 6: Final answer
    x = 10,348,990.17

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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.