Home / 11,372,913.73-15,694,598.19-6,478,133.95

Finding the Fourth Proportional to 11,372,913.73, 15,694,598.19 and 6,478,133.95

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Solution

The fourth proportional to 11,372,913.73, 15,694,598.19 and 6,478,133.95 is: 8,939,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372,913.73 : 15,694,598.19 = 6,478,133.95 : x
  2. Step 2: Convert to fraction form
    11,372,913.73/15,694,598.19 = 6,478,133.95/x
  3. Step 3: Cross multiply
    11,372,913.73x = 15,694,598.19 × 6,478,133.95
  4. Step 4: Simplify right side
    11,372,913.73x = 101,671,709,366,247.55
  5. Step 5: Solve for x
    x = 101,671,709,366,247.55/11,372,913.73
  6. Step 6: Final answer
    x = 8,939,811.89

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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.