Home / 27,202,038.30-40,803,057.45-21,037,322.70

Finding the Fourth Proportional to 27,202,038.30, 40,803,057.45 and 21,037,322.70

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Solution

The fourth proportional to 27,202,038.30, 40,803,057.45 and 21,037,322.70 is: 31,555,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,202,038.30 : 40,803,057.45 = 21,037,322.70 : x
  2. Step 2: Convert to fraction form
    27,202,038.30/40,803,057.45 = 21,037,322.70/x
  3. Step 3: Cross multiply
    27,202,038.30x = 40,803,057.45 × 21,037,322.70
  4. Step 4: Simplify right side
    27,202,038.30x = 858,387,086,722,289.12
  5. Step 5: Solve for x
    x = 858,387,086,722,289.12/27,202,038.30
  6. Step 6: Final answer
    x = 31,555,984.05

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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.