Home / 15,725,129.09-21,697,087.83-8,847,101.57

Finding the Fourth Proportional to 15,725,129.09, 21,697,087.83 and 8,847,101.57

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Solution

The fourth proportional to 15,725,129.09, 21,697,087.83 and 8,847,101.57 is: 12,206,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725,129.09 : 21,697,087.83 = 8,847,101.57 : x
  2. Step 2: Convert to fraction form
    15,725,129.09/21,697,087.83 = 8,847,101.57/x
  3. Step 3: Cross multiply
    15,725,129.09x = 21,697,087.83 × 8,847,101.57
  4. Step 4: Simplify right side
    15,725,129.09x = 191,956,339,805,220.88
  5. Step 5: Solve for x
    x = 191,956,339,805,220.88/15,725,129.09
  6. Step 6: Final answer
    x = 12,206,980.22

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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.