Home / 13,669,646.14-18,863,904.54-7,474,712.68

Finding the Fourth Proportional to 13,669,646.14, 18,863,904.54 and 7,474,712.68

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Solution

The fourth proportional to 13,669,646.14, 18,863,904.54 and 7,474,712.68 is: 10,314,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669,646.14 : 18,863,904.54 = 7,474,712.68 : x
  2. Step 2: Convert to fraction form
    13,669,646.14/18,863,904.54 = 7,474,712.68/x
  3. Step 3: Cross multiply
    13,669,646.14x = 18,863,904.54 × 7,474,712.68
  4. Step 4: Simplify right side
    13,669,646.14x = 141,002,266,459,447.56
  5. Step 5: Solve for x
    x = 141,002,266,459,447.56/13,669,646.14
  6. Step 6: Final answer
    x = 10,314,990.24

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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.