Home / 7,891,896.30-11,837,844.45-3,640,368.30

Finding the Fourth Proportional to 7,891,896.30, 11,837,844.45 and 3,640,368.30

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Solution

The fourth proportional to 7,891,896.30, 11,837,844.45 and 3,640,368.30 is: 5,460,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891,896.30 : 11,837,844.45 = 3,640,368.30 : x
  2. Step 2: Convert to fraction form
    7,891,896.30/11,837,844.45 = 3,640,368.30/x
  3. Step 3: Cross multiply
    7,891,896.30x = 11,837,844.45 × 3,640,368.30
  4. Step 4: Simplify right side
    7,891,896.30x = 43,094,113,676,110.93
  5. Step 5: Solve for x
    x = 43,094,113,676,110.93/7,891,896.30
  6. Step 6: Final answer
    x = 5,460,552.45

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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.