Home / 11,801,640.47-16,281,943.70-7,152,071.28

Finding the Fourth Proportional to 11,801,640.47, 16,281,943.70 and 7,152,071.28

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Solution

The fourth proportional to 11,801,640.47, 16,281,943.70 and 7,152,071.28 is: 9,867,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801,640.47 : 16,281,943.70 = 7,152,071.28 : x
  2. Step 2: Convert to fraction form
    11,801,640.47/16,281,943.70 = 7,152,071.28/x
  3. Step 3: Cross multiply
    11,801,640.47x = 16,281,943.70 × 7,152,071.28
  4. Step 4: Simplify right side
    11,801,640.47x = 116,449,621,862,759.70
  5. Step 5: Solve for x
    x = 116,449,621,862,759.70/11,801,640.47
  6. Step 6: Final answer
    x = 9,867,240.25

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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.