Home / 15,639,545.58-21,582,364.50-8,764,161.90

Finding the Fourth Proportional to 15,639,545.58, 21,582,364.50 and 8,764,161.90

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Solution

The fourth proportional to 15,639,545.58, 21,582,364.50 and 8,764,161.90 is: 12,094,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639,545.58 : 21,582,364.50 = 8,764,161.90 : x
  2. Step 2: Convert to fraction form
    15,639,545.58/21,582,364.50 = 8,764,161.90/x
  3. Step 3: Cross multiply
    15,639,545.58x = 21,582,364.50 × 8,764,161.90
  4. Step 4: Simplify right side
    15,639,545.58x = 189,151,336,662,812.56
  5. Step 5: Solve for x
    x = 189,151,336,662,812.56/15,639,545.58
  6. Step 6: Final answer
    x = 12,094,426.64

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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.