Home / 8,403,426.71-12,608,316.88-3,289,511.42

Finding the Fourth Proportional to 8,403,426.71, 12,608,316.88 and 3,289,511.42

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Solution

The fourth proportional to 8,403,426.71, 12,608,316.88 and 3,289,511.42 is: 4,935,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,426.71 : 12,608,316.88 = 3,289,511.42 : x
  2. Step 2: Convert to fraction form
    8,403,426.71/12,608,316.88 = 3,289,511.42/x
  3. Step 3: Cross multiply
    8,403,426.71x = 12,608,316.88 × 3,289,511.42
  4. Step 4: Simplify right side
    8,403,426.71x = 41,475,202,363,738.77
  5. Step 5: Solve for x
    x = 41,475,202,363,738.77/8,403,426.71
  6. Step 6: Final answer
    x = 4,935,510.69

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1.5x scale

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.