Home / 13,000,643.70-19,500,965.55-9,221,507.70

Finding the Fourth Proportional to 13,000,643.70, 19,500,965.55 and 9,221,507.70

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Solution

The fourth proportional to 13,000,643.70, 19,500,965.55 and 9,221,507.70 is: 13,832,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,643.70 : 19,500,965.55 = 9,221,507.70 : x
  2. Step 2: Convert to fraction form
    13,000,643.70/19,500,965.55 = 9,221,507.70/x
  3. Step 3: Cross multiply
    13,000,643.70x = 19,500,965.55 × 9,221,507.70
  4. Step 4: Simplify right side
    13,000,643.70x = 179,828,303,976,759.72
  5. Step 5: Solve for x
    x = 179,828,303,976,759.72/13,000,643.70
  6. Step 6: Final answer
    x = 13,832,261.55

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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.