Home / 38,638,374.40-57,891,206.40-20,415,577.60

Finding the Fourth Proportional to 38,638,374.40, 57,891,206.40 and 20,415,577.60

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Solution

The fourth proportional to 38,638,374.40, 57,891,206.40 and 20,415,577.60 is: 30,588,305.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,638,374.40 : 57,891,206.40 = 20,415,577.60 : x
  2. Step 2: Convert to fraction form
    38,638,374.40/57,891,206.40 = 20,415,577.60/x
  3. Step 3: Cross multiply
    38,638,374.40x = 57,891,206.40 × 20,415,577.60
  4. Step 4: Simplify right side
    38,638,374.40x = 1,181,882,416,616,816.75
  5. Step 5: Solve for x
    x = 1,181,882,416,616,816.75/38,638,374.40
  6. Step 6: Final answer
    x = 30,588,305.93

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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.