Home / 7,805,172.88-11,695,622.16-5,413,690

Finding the Fourth Proportional to 7,805,172.88, 11,695,622.16 and 5,413,690

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Solution

The fourth proportional to 7,805,172.88, 11,695,622.16 and 5,413,690 is: 8,112,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805,172.88 : 11,695,622.16 = 5,413,690 : x
  2. Step 2: Convert to fraction form
    7,805,172.88/11,695,622.16 = 5,413,690/x
  3. Step 3: Cross multiply
    7,805,172.88x = 11,695,622.16 × 5,413,690
  4. Step 4: Simplify right side
    7,805,172.88x = 63,316,472,731,370.40
  5. Step 5: Solve for x
    x = 63,316,472,731,370.40/7,805,172.88
  6. Step 6: Final answer
    x = 8,112,116.63

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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.