Home / 28,982,802.78-43,475,832.54-9,288,643.41

Finding the Fourth Proportional to 28,982,802.78, 43,475,832.54 and 9,288,643.41

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Solution

The fourth proportional to 28,982,802.78, 43,475,832.54 and 9,288,643.41 is: 13,933,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982,802.78 : 43,475,832.54 = 9,288,643.41 : x
  2. Step 2: Convert to fraction form
    28,982,802.78/43,475,832.54 = 9,288,643.41/x
  3. Step 3: Cross multiply
    28,982,802.78x = 43,475,832.54 × 9,288,643.41
  4. Step 4: Simplify right side
    28,982,802.78x = 403,831,505,416,934.56
  5. Step 5: Solve for x
    x = 403,831,505,416,934.56/28,982,802.78
  6. Step 6: Final answer
    x = 13,933,486.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.