Home / 38,846,428.90-53,608,063.80-21,442,769.50

Finding the Fourth Proportional to 38,846,428.90, 53,608,063.80 and 21,442,769.50

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Solution

The fourth proportional to 38,846,428.90, 53,608,063.80 and 21,442,769.50 is: 29,591,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,846,428.90 : 53,608,063.80 = 21,442,769.50 : x
  2. Step 2: Convert to fraction form
    38,846,428.90/53,608,063.80 = 21,442,769.50/x
  3. Step 3: Cross multiply
    38,846,428.90x = 53,608,063.80 × 21,442,769.50
  4. Step 4: Simplify right side
    38,846,428.90x = 1,149,505,355,404,694
  5. Step 5: Solve for x
    x = 1,149,505,355,404,694/38,846,428.90
  6. Step 6: Final answer
    x = 29,591,017.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.