Home / 7,420,520.99-10,240,071.38-4,112,674.26

Finding the Fourth Proportional to 7,420,520.99, 10,240,071.38 and 4,112,674.26

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Solution

The fourth proportional to 7,420,520.99, 10,240,071.38 and 4,112,674.26 is: 5,675,353.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,520.99 : 10,240,071.38 = 4,112,674.26 : x
  2. Step 2: Convert to fraction form
    7,420,520.99/10,240,071.38 = 4,112,674.26/x
  3. Step 3: Cross multiply
    7,420,520.99x = 10,240,071.38 × 4,112,674.26
  4. Step 4: Simplify right side
    7,420,520.99x = 42,114,077,913,324.95
  5. Step 5: Solve for x
    x = 42,114,077,913,324.95/7,420,520.99
  6. Step 6: Final answer
    x = 5,675,353.25

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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.