Home / 13,152,406.20-19,728,609.30-7,483,702.20

Finding the Fourth Proportional to 13,152,406.20, 19,728,609.30 and 7,483,702.20

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Solution

The fourth proportional to 13,152,406.20, 19,728,609.30 and 7,483,702.20 is: 11,225,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152,406.20 : 19,728,609.30 = 7,483,702.20 : x
  2. Step 2: Convert to fraction form
    13,152,406.20/19,728,609.30 = 7,483,702.20/x
  3. Step 3: Cross multiply
    13,152,406.20x = 19,728,609.30 × 7,483,702.20
  4. Step 4: Simplify right side
    13,152,406.20x = 147,643,036,821,350.47
  5. Step 5: Solve for x
    x = 147,643,036,821,350.47/13,152,406.20
  6. Step 6: Final answer
    x = 11,225,553.30

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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.