Home / 21,049,102.13-31,573,654.40-5,092,750.13

Finding the Fourth Proportional to 21,049,102.13, 31,573,654.40 and 5,092,750.13

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Solution

The fourth proportional to 21,049,102.13, 31,573,654.40 and 5,092,750.13 is: 7,639,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049,102.13 : 31,573,654.40 = 5,092,750.13 : x
  2. Step 2: Convert to fraction form
    21,049,102.13/31,573,654.40 = 5,092,750.13/x
  3. Step 3: Cross multiply
    21,049,102.13x = 31,573,654.40 × 5,092,750.13
  4. Step 4: Simplify right side
    21,049,102.13x = 160,796,732,405,038.69
  5. Step 5: Solve for x
    x = 160,796,732,405,038.69/21,049,102.13
  6. Step 6: Final answer
    x = 7,639,125.48

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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.