Home / 6,909,970.70-10,365,733.65-2,117,621.90

Finding the Fourth Proportional to 6,909,970.70, 10,365,733.65 and 2,117,621.90

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Solution

The fourth proportional to 6,909,970.70, 10,365,733.65 and 2,117,621.90 is: 3,176,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,970.70 : 10,365,733.65 = 2,117,621.90 : x
  2. Step 2: Convert to fraction form
    6,909,970.70/10,365,733.65 = 2,117,621.90/x
  3. Step 3: Cross multiply
    6,909,970.70x = 10,365,733.65 × 2,117,621.90
  4. Step 4: Simplify right side
    6,909,970.70x = 21,950,704,586,806.93
  5. Step 5: Solve for x
    x = 21,950,704,586,806.93/6,909,970.70
  6. Step 6: Final answer
    x = 3,176,671.15

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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.