Home / 13,719,448.70-20,581,055.24-7,964,883.75

Finding the Fourth Proportional to 13,719,448.70, 20,581,055.24 and 7,964,883.75

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Solution

The fourth proportional to 13,719,448.70, 20,581,055.24 and 7,964,883.75 is: 11,948,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719,448.70 : 20,581,055.24 = 7,964,883.75 : x
  2. Step 2: Convert to fraction form
    13,719,448.70/20,581,055.24 = 7,964,883.75/x
  3. Step 3: Cross multiply
    13,719,448.70x = 20,581,055.24 × 7,964,883.75
  4. Step 4: Simplify right side
    13,719,448.70x = 163,925,712,438,928.34
  5. Step 5: Solve for x
    x = 163,925,712,438,928.34/13,719,448.70
  6. Step 6: Final answer
    x = 11,948,418.34

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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.