Home / 30,622,539.60-45,933,809.40-9,055,220.40

Finding the Fourth Proportional to 30,622,539.60, 45,933,809.40 and 9,055,220.40

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Solution

The fourth proportional to 30,622,539.60, 45,933,809.40 and 9,055,220.40 is: 13,582,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,539.60 : 45,933,809.40 = 9,055,220.40 : x
  2. Step 2: Convert to fraction form
    30,622,539.60/45,933,809.40 = 9,055,220.40/x
  3. Step 3: Cross multiply
    30,622,539.60x = 45,933,809.40 × 9,055,220.40
  4. Step 4: Simplify right side
    30,622,539.60x = 415,940,767,928,591.75
  5. Step 5: Solve for x
    x = 415,940,767,928,591.75/30,622,539.60
  6. Step 6: Final answer
    x = 13,582,830.60

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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.