Home / 15,820,227,175.20-21,831,935,121.18-8,586,274,763.63

Finding the Fourth Proportional to 15,820,227,175.20, 21,831,935,121.18 and 8,586,274,763.63

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Solution

The fourth proportional to 15,820,227,175.20, 21,831,935,121.18 and 8,586,274,763.63 is: 11,849,070,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820,227,175.20 : 21,831,935,121.18 = 8,586,274,763.63 : x
  2. Step 2: Convert to fraction form
    15,820,227,175.20/21,831,935,121.18 = 8,586,274,763.63/x
  3. Step 3: Cross multiply
    15,820,227,175.20x = 21,831,935,121.18 × 8,586,274,763.63
  4. Step 4: Simplify right side
    15,820,227,175.20x = 187,454,993,572,086,153,216
  5. Step 5: Solve for x
    x = 187,454,993,572,086,153,216/15,820,227,175.20
  6. Step 6: Final answer
    x = 11,849,070,907.52

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1.5x scale

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.