Home / 15,169,874,401.28-20,934,272,473.21-8,395,706,133.47

Finding the Fourth Proportional to 15,169,874,401.28, 20,934,272,473.21 and 8,395,706,133.47

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Solution

The fourth proportional to 15,169,874,401.28, 20,934,272,473.21 and 8,395,706,133.47 is: 11,585,989,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,169,874,401.28 : 20,934,272,473.21 = 8,395,706,133.47 : x
  2. Step 2: Convert to fraction form
    15,169,874,401.28/20,934,272,473.21 = 8,395,706,133.47/x
  3. Step 3: Cross multiply
    15,169,874,401.28x = 20,934,272,473.21 × 8,395,706,133.47
  4. Step 4: Simplify right side
    15,169,874,401.28x = 175,757,999,803,119,992,832
  5. Step 5: Solve for x
    x = 175,757,999,803,119,992,832/15,169,874,401.28
  6. Step 6: Final answer
    x = 11,585,989,122.51

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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.