Home / 15,144,659,726.94-20,900,711,915.64-8,370,332,727.48

Finding the Fourth Proportional to 15,144,659,726.94, 20,900,711,915.64 and 8,370,332,727.48

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Solution

The fourth proportional to 15,144,659,726.94, 20,900,711,915.64 and 8,370,332,727.48 is: 11,551,656,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144,659,726.94 : 20,900,711,915.64 = 8,370,332,727.48 : x
  2. Step 2: Convert to fraction form
    15,144,659,726.94/20,900,711,915.64 = 8,370,332,727.48/x
  3. Step 3: Cross multiply
    15,144,659,726.94x = 20,900,711,915.64 × 8,370,332,727.48
  4. Step 4: Simplify right side
    15,144,659,726.94x = 174,945,912,975,112,667,136
  5. Step 5: Solve for x
    x = 174,945,912,975,112,667,136/15,144,659,726.94
  6. Step 6: Final answer
    x = 11,551,656,896.19

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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.