Home / 12,302,409.40-18,453,614.10-3,782,732.20

Finding the Fourth Proportional to 12,302,409.40, 18,453,614.10 and 3,782,732.20

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Solution

The fourth proportional to 12,302,409.40, 18,453,614.10 and 3,782,732.20 is: 5,674,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,409.40 : 18,453,614.10 = 3,782,732.20 : x
  2. Step 2: Convert to fraction form
    12,302,409.40/18,453,614.10 = 3,782,732.20/x
  3. Step 3: Cross multiply
    12,302,409.40x = 18,453,614.10 × 3,782,732.20
  4. Step 4: Simplify right side
    12,302,409.40x = 69,805,080,262,444.03
  5. Step 5: Solve for x
    x = 69,805,080,262,444.03/12,302,409.40
  6. Step 6: Final answer
    x = 5,674,098.30

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1.5x scale

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.