Home / 7,749,840.72-11,618,969.52-5,346,828.32

Finding the Fourth Proportional to 7,749,840.72, 11,618,969.52 and 5,346,828.32

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Solution

The fourth proportional to 7,749,840.72, 11,618,969.52 and 5,346,828.32 is: 8,016,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749,840.72 : 11,618,969.52 = 5,346,828.32 : x
  2. Step 2: Convert to fraction form
    7,749,840.72/11,618,969.52 = 5,346,828.32/x
  3. Step 3: Cross multiply
    7,749,840.72x = 11,618,969.52 × 5,346,828.32
  4. Step 4: Simplify right side
    7,749,840.72x = 62,124,635,278,752.80
  5. Step 5: Solve for x
    x = 62,124,635,278,752.80/7,749,840.72
  6. Step 6: Final answer
    x = 8,016,246.72

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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.