Home / 21,242,275,711.65-31,847,705,247.20-12,846,314,776.59

Finding the Fourth Proportional to 21,242,275,711.65, 31,847,705,247.20 and 12,846,314,776.59

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Solution

The fourth proportional to 21,242,275,711.65, 31,847,705,247.20 and 12,846,314,776.59 is: 19,259,972,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,242,275,711.65 : 31,847,705,247.20 = 12,846,314,776.59 : x
  2. Step 2: Convert to fraction form
    21,242,275,711.65/31,847,705,247.20 = 12,846,314,776.59/x
  3. Step 3: Cross multiply
    21,242,275,711.65x = 31,847,705,247.20 × 12,846,314,776.59
  4. Step 4: Simplify right side
    21,242,275,711.65x = 409,125,646,517,524,037,632
  5. Step 5: Solve for x
    x = 409,125,646,517,524,037,632/21,242,275,711.65
  6. Step 6: Final answer
    x = 19,259,972,522.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.