Home / 13,168,693.40-19,713,684.73-7,965,556.65

Finding the Fourth Proportional to 13,168,693.40, 19,713,684.73 and 7,965,556.65

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Solution

The fourth proportional to 13,168,693.40, 19,713,684.73 and 7,965,556.65 is: 11,924,529.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,693.40 : 19,713,684.73 = 7,965,556.65 : x
  2. Step 2: Convert to fraction form
    13,168,693.40/19,713,684.73 = 7,965,556.65/x
  3. Step 3: Cross multiply
    13,168,693.40x = 19,713,684.73 × 7,965,556.65
  4. Step 4: Simplify right side
    13,168,693.40x = 157,030,472,398,486.53
  5. Step 5: Solve for x
    x = 157,030,472,398,486.53/13,168,693.40
  6. Step 6: Final answer
    x = 11,924,529.46

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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.