Home / 10,399,540.73-14,354,973.29-7,147,121.81

Finding the Fourth Proportional to 10,399,540.73, 14,354,973.29 and 7,147,121.81

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Solution

The fourth proportional to 10,399,540.73, 14,354,973.29 and 7,147,121.81 is: 9,865,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399,540.73 : 14,354,973.29 = 7,147,121.81 : x
  2. Step 2: Convert to fraction form
    10,399,540.73/14,354,973.29 = 7,147,121.81/x
  3. Step 3: Cross multiply
    10,399,540.73x = 14,354,973.29 × 7,147,121.81
  4. Step 4: Simplify right side
    10,399,540.73x = 102,596,742,629,019.39
  5. Step 5: Solve for x
    x = 102,596,742,629,019.39/10,399,540.73
  6. Step 6: Final answer
    x = 9,865,507.08

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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.