Home / 20,261,347,494.12-27,960,662,192.10-11,229,688,687.32

Finding the Fourth Proportional to 20,261,347,494.12, 27,960,662,192.10 and 11,229,688,687.32

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Solution

The fourth proportional to 20,261,347,494.12, 27,960,662,192.10 and 11,229,688,687.32 is: 15,496,971,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261,347,494.12 : 27,960,662,192.10 = 11,229,688,687.32 : x
  2. Step 2: Convert to fraction form
    20,261,347,494.12/27,960,662,192.10 = 11,229,688,687.32/x
  3. Step 3: Cross multiply
    20,261,347,494.12x = 27,960,662,192.10 × 11,229,688,687.32
  4. Step 4: Simplify right side
    20,261,347,494.12x = 313,989,531,908,601,348,096
  5. Step 5: Solve for x
    x = 313,989,531,908,601,348,096/20,261,347,494.12
  6. Step 6: Final answer
    x = 15,496,971,857.36

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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.