Home / 13,053,817.09-18,010,339.10-7,824,917.39

Finding the Fourth Proportional to 13,053,817.09, 18,010,339.10 and 7,824,917.39

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Solution

The fourth proportional to 13,053,817.09, 18,010,339.10 and 7,824,917.39 is: 10,796,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,817.09 : 18,010,339.10 = 7,824,917.39 : x
  2. Step 2: Convert to fraction form
    13,053,817.09/18,010,339.10 = 7,824,917.39/x
  3. Step 3: Cross multiply
    13,053,817.09x = 18,010,339.10 × 7,824,917.39
  4. Step 4: Simplify right side
    13,053,817.09x = 140,929,415,533,335.25
  5. Step 5: Solve for x
    x = 140,929,415,533,335.25/13,053,817.09
  6. Step 6: Final answer
    x = 10,796,031.12

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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.