Home / 15,413,850.65-21,271,106.50-9,218,897.26

Finding the Fourth Proportional to 15,413,850.65, 21,271,106.50 and 9,218,897.26

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Solution

The fourth proportional to 15,413,850.65, 21,271,106.50 and 9,218,897.26 is: 12,722,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413,850.65 : 21,271,106.50 = 9,218,897.26 : x
  2. Step 2: Convert to fraction form
    15,413,850.65/21,271,106.50 = 9,218,897.26/x
  3. Step 3: Cross multiply
    15,413,850.65x = 21,271,106.50 × 9,218,897.26
  4. Step 4: Simplify right side
    15,413,850.65x = 196,096,145,353,793.19
  5. Step 5: Solve for x
    x = 196,096,145,353,793.19/15,413,850.65
  6. Step 6: Final answer
    x = 12,722,073.79

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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.