Home / 10,878,388.78-15,012,459.66-5,983,736.98

Finding the Fourth Proportional to 10,878,388.78, 15,012,459.66 and 5,983,736.98

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Solution

The fourth proportional to 10,878,388.78, 15,012,459.66 and 5,983,736.98 is: 8,257,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,388.78 : 15,012,459.66 = 5,983,736.98 : x
  2. Step 2: Convert to fraction form
    10,878,388.78/15,012,459.66 = 5,983,736.98/x
  3. Step 3: Cross multiply
    10,878,388.78x = 15,012,459.66 × 5,983,736.98
  4. Step 4: Simplify right side
    10,878,388.78x = 89,830,610,028,300.23
  5. Step 5: Solve for x
    x = 89,830,610,028,300.23/10,878,388.78
  6. Step 6: Final answer
    x = 8,257,712.78

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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.