Home / 27,194,856.30-40,792,284.45-21,030,140.70

Finding the Fourth Proportional to 27,194,856.30, 40,792,284.45 and 21,030,140.70

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Solution

The fourth proportional to 27,194,856.30, 40,792,284.45 and 21,030,140.70 is: 31,545,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,194,856.30 : 40,792,284.45 = 21,030,140.70 : x
  2. Step 2: Convert to fraction form
    27,194,856.30/40,792,284.45 = 21,030,140.70/x
  3. Step 3: Cross multiply
    27,194,856.30x = 40,792,284.45 × 21,030,140.70
  4. Step 4: Simplify right side
    27,194,856.30x = 857,867,481,457,922.12
  5. Step 5: Solve for x
    x = 857,867,481,457,922.12/27,194,856.30
  6. Step 6: Final answer
    x = 31,545,211.05

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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.