Home / 6,908,348.90-10,362,426.15-3,121,825.70

Finding the Fourth Proportional to 6,908,348.90, 10,362,426.15 and 3,121,825.70

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Solution

The fourth proportional to 6,908,348.90, 10,362,426.15 and 3,121,825.70 is: 4,682,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908,348.90 : 10,362,426.15 = 3,121,825.70 : x
  2. Step 2: Convert to fraction form
    6,908,348.90/10,362,426.15 = 3,121,825.70/x
  3. Step 3: Cross multiply
    6,908,348.90x = 10,362,426.15 × 3,121,825.70
  4. Step 4: Simplify right side
    6,908,348.90x = 32,349,688,269,422.06
  5. Step 5: Solve for x
    x = 32,349,688,269,422.06/6,908,348.90
  6. Step 6: Final answer
    x = 4,682,694.63

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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.