Home / 13,735,548.76-18,955,010.40-7,540,441.24

Finding the Fourth Proportional to 13,735,548.76, 18,955,010.40 and 7,540,441.24

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Solution

The fourth proportional to 13,735,548.76, 18,955,010.40 and 7,540,441.24 is: 10,405,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735,548.76 : 18,955,010.40 = 7,540,441.24 : x
  2. Step 2: Convert to fraction form
    13,735,548.76/18,955,010.40 = 7,540,441.24/x
  3. Step 3: Cross multiply
    13,735,548.76x = 18,955,010.40 × 7,540,441.24
  4. Step 4: Simplify right side
    13,735,548.76x = 142,929,142,124,788.88
  5. Step 5: Solve for x
    x = 142,929,142,124,788.88/13,735,548.76
  6. Step 6: Final answer
    x = 10,405,783.17

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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.