Home / 30,651,979.20-45,928,202.40-19,272,062.40

Finding the Fourth Proportional to 30,651,979.20, 45,928,202.40 and 19,272,062.40

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Solution

The fourth proportional to 30,651,979.20, 45,928,202.40 and 19,272,062.40 is: 28,876,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651,979.20 : 45,928,202.40 = 19,272,062.40 : x
  2. Step 2: Convert to fraction form
    30,651,979.20/45,928,202.40 = 19,272,062.40/x
  3. Step 3: Cross multiply
    30,651,979.20x = 45,928,202.40 × 19,272,062.40
  4. Step 4: Simplify right side
    30,651,979.20x = 885,131,182,572,629.62
  5. Step 5: Solve for x
    x = 885,131,182,572,629.62/30,651,979.20
  6. Step 6: Final answer
    x = 28,876,803.58

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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.