Home / 7,275,688.77-10,911,670.95-2,156,921.66

Finding the Fourth Proportional to 7,275,688.77, 10,911,670.95 and 2,156,921.66

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Solution

The fourth proportional to 7,275,688.77, 10,911,670.95 and 2,156,921.66 is: 3,234,830.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275,688.77 : 10,911,670.95 = 2,156,921.66 : x
  2. Step 2: Convert to fraction form
    7,275,688.77/10,911,670.95 = 2,156,921.66/x
  3. Step 3: Cross multiply
    7,275,688.77x = 10,911,670.95 × 2,156,921.66
  4. Step 4: Simplify right side
    7,275,688.77x = 23,535,619,418,847.78
  5. Step 5: Solve for x
    x = 23,535,619,418,847.78/7,275,688.77
  6. Step 6: Final answer
    x = 3,234,830.43

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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.