Home / 21,291,215.55-31,936,823.33-11,701,657.95

Finding the Fourth Proportional to 21,291,215.55, 31,936,823.33 and 11,701,657.95

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Solution

The fourth proportional to 21,291,215.55, 31,936,823.33 and 11,701,657.95 is: 17,552,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,291,215.55 : 31,936,823.33 = 11,701,657.95 : x
  2. Step 2: Convert to fraction form
    21,291,215.55/31,936,823.33 = 11,701,657.95/x
  3. Step 3: Cross multiply
    21,291,215.55x = 31,936,823.33 × 11,701,657.95
  4. Step 4: Simplify right side
    21,291,215.55x = 373,713,782,558,731.62
  5. Step 5: Solve for x
    x = 373,713,782,558,731.62/21,291,215.55
  6. Step 6: Final answer
    x = 17,552,486.93

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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.