Home / 15,800,694.52-21,806,733.18-8,925,619.20

Finding the Fourth Proportional to 15,800,694.52, 21,806,733.18 and 8,925,619.20

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Solution

The fourth proportional to 15,800,694.52, 21,806,733.18 and 8,925,619.20 is: 12,318,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800,694.52 : 21,806,733.18 = 8,925,619.20 : x
  2. Step 2: Convert to fraction form
    15,800,694.52/21,806,733.18 = 8,925,619.20/x
  3. Step 3: Cross multiply
    15,800,694.52x = 21,806,733.18 × 8,925,619.20
  4. Step 4: Simplify right side
    15,800,694.52x = 194,638,596,360,685.03
  5. Step 5: Solve for x
    x = 194,638,596,360,685.03/15,800,694.52
  6. Step 6: Final answer
    x = 12,318,357.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.