Home / 11,551,077.87-15,948,007.83-7,422,699.84

Finding the Fourth Proportional to 11,551,077.87, 15,948,007.83 and 7,422,699.84

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Solution

The fourth proportional to 11,551,077.87, 15,948,007.83 and 7,422,699.84 is: 10,248,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551,077.87 : 15,948,007.83 = 7,422,699.84 : x
  2. Step 2: Convert to fraction form
    11,551,077.87/15,948,007.83 = 7,422,699.84/x
  3. Step 3: Cross multiply
    11,551,077.87x = 15,948,007.83 × 7,422,699.84
  4. Step 4: Simplify right side
    11,551,077.87x = 118,377,275,168,059.75
  5. Step 5: Solve for x
    x = 118,377,275,168,059.75/11,551,077.87
  6. Step 6: Final answer
    x = 10,248,158.35

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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.