Home / 7,150,635.86-9,868,068.41-3,887,670.33

Finding the Fourth Proportional to 7,150,635.86, 9,868,068.41 and 3,887,670.33

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Solution

The fourth proportional to 7,150,635.86, 9,868,068.41 and 3,887,670.33 is: 5,365,088.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150,635.86 : 9,868,068.41 = 3,887,670.33 : x
  2. Step 2: Convert to fraction form
    7,150,635.86/9,868,068.41 = 3,887,670.33/x
  3. Step 3: Cross multiply
    7,150,635.86x = 9,868,068.41 × 3,887,670.33
  4. Step 4: Simplify right side
    7,150,635.86x = 38,363,796,752,528.92
  5. Step 5: Solve for x
    x = 38,363,796,752,528.92/7,150,635.86
  6. Step 6: Final answer
    x = 5,365,088.86

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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.