Home / 15,413,852.28-21,271,108.74-9,218,898.89

Finding the Fourth Proportional to 15,413,852.28, 21,271,108.74 and 9,218,898.89

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Solution

The fourth proportional to 15,413,852.28, 21,271,108.74 and 9,218,898.89 is: 12,722,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413,852.28 : 21,271,108.74 = 9,218,898.89 : x
  2. Step 2: Convert to fraction form
    15,413,852.28/21,271,108.74 = 9,218,898.89/x
  3. Step 3: Cross multiply
    15,413,852.28x = 21,271,108.74 × 9,218,898.89
  4. Step 4: Simplify right side
    15,413,852.28x = 196,096,200,645,899.75
  5. Step 5: Solve for x
    x = 196,096,200,645,899.75/15,413,852.28
  6. Step 6: Final answer
    x = 12,722,076.03

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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.