Home / 13,735,460.39-18,954,888.47-7,540,352.78

Finding the Fourth Proportional to 13,735,460.39, 18,954,888.47 and 7,540,352.78

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Solution

The fourth proportional to 13,735,460.39, 18,954,888.47 and 7,540,352.78 is: 10,405,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735,460.39 : 18,954,888.47 = 7,540,352.78 : x
  2. Step 2: Convert to fraction form
    13,735,460.39/18,954,888.47 = 7,540,352.78/x
  3. Step 3: Cross multiply
    13,735,460.39x = 18,954,888.47 × 7,540,352.78
  4. Step 4: Simplify right side
    13,735,460.39x = 142,926,545,865,154.56
  5. Step 5: Solve for x
    x = 142,926,545,865,154.56/13,735,460.39
  6. Step 6: Final answer
    x = 10,405,661.10

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1.5x scale

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.