Home / 7,420,078.04-10,239,684.86-4,112,583.18

Finding the Fourth Proportional to 7,420,078.04, 10,239,684.86 and 4,112,583.18

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Solution

The fourth proportional to 7,420,078.04, 10,239,684.86 and 4,112,583.18 is: 5,675,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,078.04 : 10,239,684.86 = 4,112,583.18 : x
  2. Step 2: Convert to fraction form
    7,420,078.04/10,239,684.86 = 4,112,583.18/x
  3. Step 3: Cross multiply
    7,420,078.04x = 10,239,684.86 × 4,112,583.18
  4. Step 4: Simplify right side
    7,420,078.04x = 42,111,555,723,736.66
  5. Step 5: Solve for x
    x = 42,111,555,723,736.66/7,420,078.04
  6. Step 6: Final answer
    x = 5,675,352.13

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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.