Home / 30,281,752.80-45,422,629.20-27,943,412.40

Finding the Fourth Proportional to 30,281,752.80, 45,422,629.20 and 27,943,412.40

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Solution

The fourth proportional to 30,281,752.80, 45,422,629.20 and 27,943,412.40 is: 41,915,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281,752.80 : 45,422,629.20 = 27,943,412.40 : x
  2. Step 2: Convert to fraction form
    30,281,752.80/45,422,629.20 = 27,943,412.40/x
  3. Step 3: Cross multiply
    30,281,752.80x = 45,422,629.20 × 27,943,412.40
  4. Step 4: Simplify right side
    30,281,752.80x = 1,269,263,260,027,882
  5. Step 5: Solve for x
    x = 1,269,263,260,027,882/30,281,752.80
  6. Step 6: Final answer
    x = 41,915,118.60

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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.