Home / 27,887,660.10-41,831,490.15-20,713,206.60

Finding the Fourth Proportional to 27,887,660.10, 41,831,490.15 and 20,713,206.60

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Solution

The fourth proportional to 27,887,660.10, 41,831,490.15 and 20,713,206.60 is: 31,069,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887,660.10 : 41,831,490.15 = 20,713,206.60 : x
  2. Step 2: Convert to fraction form
    27,887,660.10/41,831,490.15 = 20,713,206.60/x
  3. Step 3: Cross multiply
    27,887,660.10x = 41,831,490.15 × 20,713,206.60
  4. Step 4: Simplify right side
    27,887,660.10x = 866,464,297,862,815
  5. Step 5: Solve for x
    x = 866,464,297,862,815/27,887,660.10
  6. Step 6: Final answer
    x = 31,069,809.90

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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.