Home / 13,735,526.76-18,954,980.10-7,540,419.24

Finding the Fourth Proportional to 13,735,526.76, 18,954,980.10 and 7,540,419.24

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Solution

The fourth proportional to 13,735,526.76, 18,954,980.10 and 7,540,419.24 is: 10,405,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735,526.76 : 18,954,980.10 = 7,540,419.24 : x
  2. Step 2: Convert to fraction form
    13,735,526.76/18,954,980.10 = 7,540,419.24/x
  3. Step 3: Cross multiply
    13,735,526.76x = 18,954,980.10 × 7,540,419.24
  4. Step 4: Simplify right side
    13,735,526.76x = 142,928,496,639,857.12
  5. Step 5: Solve for x
    x = 142,928,496,639,857.12/13,735,526.76
  6. Step 6: Final answer
    x = 10,405,752.84

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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.