Home / 19,305,965.40-28,958,505.30-9,718,769.40

Finding the Fourth Proportional to 19,305,965.40, 28,958,505.30 and 9,718,769.40

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Solution

The fourth proportional to 19,305,965.40, 28,958,505.30 and 9,718,769.40 is: 14,577,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305,965.40 : 28,958,505.30 = 9,718,769.40 : x
  2. Step 2: Convert to fraction form
    19,305,965.40/28,958,505.30 = 9,718,769.40/x
  3. Step 3: Cross multiply
    19,305,965.40x = 28,958,505.30 × 9,718,769.40
  4. Step 4: Simplify right side
    19,305,965.40x = 281,441,035,179,377.84
  5. Step 5: Solve for x
    x = 281,441,035,179,377.84/19,305,965.40
  6. Step 6: Final answer
    x = 14,577,931.19

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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.