Home / 21,306,145.30-31,959,217.95-9,362,209.30

Finding the Fourth Proportional to 21,306,145.30, 31,959,217.95 and 9,362,209.30

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Solution

The fourth proportional to 21,306,145.30, 31,959,217.95 and 9,362,209.30 is: 14,043,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,145.30 : 31,959,217.95 = 9,362,209.30 : x
  2. Step 2: Convert to fraction form
    21,306,145.30/31,959,217.95 = 9,362,209.30/x
  3. Step 3: Cross multiply
    21,306,145.30x = 31,959,217.95 × 9,362,209.30
  4. Step 4: Simplify right side
    21,306,145.30x = 299,208,887,512,216.94
  5. Step 5: Solve for x
    x = 299,208,887,512,216.94/21,306,145.30
  6. Step 6: Final answer
    x = 14,043,313.95

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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.