Home / 13,735,455.32-18,954,881.48-7,540,347.71

Finding the Fourth Proportional to 13,735,455.32, 18,954,881.48 and 7,540,347.71

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Solution

The fourth proportional to 13,735,455.32, 18,954,881.48 and 7,540,347.71 is: 10,405,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735,455.32 : 18,954,881.48 = 7,540,347.71 : x
  2. Step 2: Convert to fraction form
    13,735,455.32/18,954,881.48 = 7,540,347.71/x
  3. Step 3: Cross multiply
    13,735,455.32x = 18,954,881.48 × 7,540,347.71
  4. Step 4: Simplify right side
    13,735,455.32x = 142,926,397,227,277.50
  5. Step 5: Solve for x
    x = 142,926,397,227,277.50/13,735,455.32
  6. Step 6: Final answer
    x = 10,405,654.12

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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.