Home / 10,417,621.80-15,626,432.70-3,686,716.20

Finding the Fourth Proportional to 10,417,621.80, 15,626,432.70 and 3,686,716.20

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Solution

The fourth proportional to 10,417,621.80, 15,626,432.70 and 3,686,716.20 is: 5,530,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417,621.80 : 15,626,432.70 = 3,686,716.20 : x
  2. Step 2: Convert to fraction form
    10,417,621.80/15,626,432.70 = 3,686,716.20/x
  3. Step 3: Cross multiply
    10,417,621.80x = 15,626,432.70 × 3,686,716.20
  4. Step 4: Simplify right side
    10,417,621.80x = 57,610,222,583,299.74
  5. Step 5: Solve for x
    x = 57,610,222,583,299.74/10,417,621.80
  6. Step 6: Final answer
    x = 5,530,074.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.