Home / 15,301,322.84-21,115,825.80-8,425,788.32

Finding the Fourth Proportional to 15,301,322.84, 21,115,825.80 and 8,425,788.32

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Solution

The fourth proportional to 15,301,322.84, 21,115,825.80 and 8,425,788.32 is: 11,627,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301,322.84 : 21,115,825.80 = 8,425,788.32 : x
  2. Step 2: Convert to fraction form
    15,301,322.84/21,115,825.80 = 8,425,788.32/x
  3. Step 3: Cross multiply
    15,301,322.84x = 21,115,825.80 × 8,425,788.32
  4. Step 4: Simplify right side
    15,301,322.84x = 177,917,478,392,794.66
  5. Step 5: Solve for x
    x = 177,917,478,392,794.66/15,301,322.84
  6. Step 6: Final answer
    x = 11,627,588.04

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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.