Home / 10,018,553.52-13,825,638.54-5,434,907.64

Finding the Fourth Proportional to 10,018,553.52, 13,825,638.54 and 5,434,907.64

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Solution

The fourth proportional to 10,018,553.52, 13,825,638.54 and 5,434,907.64 is: 7,500,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018,553.52 : 13,825,638.54 = 5,434,907.64 : x
  2. Step 2: Convert to fraction form
    10,018,553.52/13,825,638.54 = 5,434,907.64/x
  3. Step 3: Cross multiply
    10,018,553.52x = 13,825,638.54 × 5,434,907.64
  4. Step 4: Simplify right side
    10,018,553.52x = 75,141,068,528,924.44
  5. Step 5: Solve for x
    x = 75,141,068,528,924.44/10,018,553.52
  6. Step 6: Final answer
    x = 7,500,191.36

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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.