Home / 19,361,603.20-29,042,404.80-5,178,179.20

Finding the Fourth Proportional to 19,361,603.20, 29,042,404.80 and 5,178,179.20

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Solution

The fourth proportional to 19,361,603.20, 29,042,404.80 and 5,178,179.20 is: 7,767,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361,603.20 : 29,042,404.80 = 5,178,179.20 : x
  2. Step 2: Convert to fraction form
    19,361,603.20/29,042,404.80 = 5,178,179.20/x
  3. Step 3: Cross multiply
    19,361,603.20x = 29,042,404.80 × 5,178,179.20
  4. Step 4: Simplify right side
    19,361,603.20x = 150,386,776,453,340.16
  5. Step 5: Solve for x
    x = 150,386,776,453,340.16/19,361,603.20
  6. Step 6: Final answer
    x = 7,767,268.80

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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.