Home / 10,440,012.20-15,660,018.30-3,616,572.20

Finding the Fourth Proportional to 10,440,012.20, 15,660,018.30 and 3,616,572.20

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Solution

The fourth proportional to 10,440,012.20, 15,660,018.30 and 3,616,572.20 is: 5,424,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440,012.20 : 15,660,018.30 = 3,616,572.20 : x
  2. Step 2: Convert to fraction form
    10,440,012.20/15,660,018.30 = 3,616,572.20/x
  3. Step 3: Cross multiply
    10,440,012.20x = 15,660,018.30 × 3,616,572.20
  4. Step 4: Simplify right side
    10,440,012.20x = 56,635,586,835,271.27
  5. Step 5: Solve for x
    x = 56,635,586,835,271.27/10,440,012.20
  6. Step 6: Final answer
    x = 5,424,858.30

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Similar ratio
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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.