Home / 21,086,073,507.42-29,098,701,615.42-11,570,784,491.52

Finding the Fourth Proportional to 21,086,073,507.42, 29,098,701,615.42 and 11,570,784,491.52

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Solution

The fourth proportional to 21,086,073,507.42, 29,098,701,615.42 and 11,570,784,491.52 is: 15,967,638,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086,073,507.42 : 29,098,701,615.42 = 11,570,784,491.52 : x
  2. Step 2: Convert to fraction form
    21,086,073,507.42/29,098,701,615.42 = 11,570,784,491.52/x
  3. Step 3: Cross multiply
    21,086,073,507.42x = 29,098,701,615.42 × 11,570,784,491.52
  4. Step 4: Simplify right side
    21,086,073,507.42x = 336,694,805,375,069,716,480
  5. Step 5: Solve for x
    x = 336,694,805,375,069,716,480/21,086,073,507.42
  6. Step 6: Final answer
    x = 15,967,638,795.18

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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.