Home / 30,622,552.80-45,933,829.20-19,285,144.80

Finding the Fourth Proportional to 30,622,552.80, 45,933,829.20 and 19,285,144.80

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Solution

The fourth proportional to 30,622,552.80, 45,933,829.20 and 19,285,144.80 is: 28,927,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,552.80 : 45,933,829.20 = 19,285,144.80 : x
  2. Step 2: Convert to fraction form
    30,622,552.80/45,933,829.20 = 19,285,144.80/x
  3. Step 3: Cross multiply
    30,622,552.80x = 45,933,829.20 × 19,285,144.80
  4. Step 4: Simplify right side
    30,622,552.80x = 885,840,547,340,468.25
  5. Step 5: Solve for x
    x = 885,840,547,340,468.25/30,622,552.80
  6. Step 6: Final answer
    x = 28,927,717.20

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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.