Home / 15,686,115.36-21,649,407.29-13,068,468.33

Finding the Fourth Proportional to 15,686,115.36, 21,649,407.29 and 13,068,468.33

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Solution

The fourth proportional to 15,686,115.36, 21,649,407.29 and 13,068,468.33 is: 18,036,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686,115.36 : 21,649,407.29 = 13,068,468.33 : x
  2. Step 2: Convert to fraction form
    15,686,115.36/21,649,407.29 = 13,068,468.33/x
  3. Step 3: Cross multiply
    15,686,115.36x = 21,649,407.29 × 13,068,468.33
  4. Step 4: Simplify right side
    15,686,115.36x = 282,924,593,467,293.81
  5. Step 5: Solve for x
    x = 282,924,593,467,293.81/15,686,115.36
  6. Step 6: Final answer
    x = 18,036,625.83

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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.