Home / 21,061,823.80-31,592,735.70-17,660,601.40

Finding the Fourth Proportional to 21,061,823.80, 31,592,735.70 and 17,660,601.40

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Solution

The fourth proportional to 21,061,823.80, 31,592,735.70 and 17,660,601.40 is: 26,490,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,823.80 : 31,592,735.70 = 17,660,601.40 : x
  2. Step 2: Convert to fraction form
    21,061,823.80/31,592,735.70 = 17,660,601.40/x
  3. Step 3: Cross multiply
    21,061,823.80x = 31,592,735.70 × 17,660,601.40
  4. Step 4: Simplify right side
    21,061,823.80x = 557,946,712,333,249.94
  5. Step 5: Solve for x
    x = 557,946,712,333,249.94/21,061,823.80
  6. Step 6: Final answer
    x = 26,490,902.10

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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.