Home / 21,289,762.66-31,934,185.53-5,936,643.22

Finding the Fourth Proportional to 21,289,762.66, 31,934,185.53 and 5,936,643.22

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Solution

The fourth proportional to 21,289,762.66, 31,934,185.53 and 5,936,643.22 is: 8,904,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,289,762.66 : 31,934,185.53 = 5,936,643.22 : x
  2. Step 2: Convert to fraction form
    21,289,762.66/31,934,185.53 = 5,936,643.22/x
  3. Step 3: Cross multiply
    21,289,762.66x = 31,934,185.53 × 5,936,643.22
  4. Step 4: Simplify right side
    21,289,762.66x = 189,581,865,897,560.22
  5. Step 5: Solve for x
    x = 189,581,865,897,560.22/21,289,762.66
  6. Step 6: Final answer
    x = 8,904,836.98

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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.