Home / 15,053,886.72-20,772,864.72-8,526,213.36

Finding the Fourth Proportional to 15,053,886.72, 20,772,864.72 and 8,526,213.36

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Solution

The fourth proportional to 15,053,886.72, 20,772,864.72 and 8,526,213.36 is: 11,765,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053,886.72 : 20,772,864.72 = 8,526,213.36 : x
  2. Step 2: Convert to fraction form
    15,053,886.72/20,772,864.72 = 8,526,213.36/x
  3. Step 3: Cross multiply
    15,053,886.72x = 20,772,864.72 × 8,526,213.36
  4. Step 4: Simplify right side
    15,053,886.72x = 177,113,876,701,136.62
  5. Step 5: Solve for x
    x = 177,113,876,701,136.62/15,053,886.72
  6. Step 6: Final answer
    x = 11,765,325.46

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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.