Home / 30,821,792.48-42,533,552.35-17,070,461.36

Finding the Fourth Proportional to 30,821,792.48, 42,533,552.35 and 17,070,461.36

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Solution

The fourth proportional to 30,821,792.48, 42,533,552.35 and 17,070,461.36 is: 23,556,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821,792.48 : 42,533,552.35 = 17,070,461.36 : x
  2. Step 2: Convert to fraction form
    30,821,792.48/42,533,552.35 = 17,070,461.36/x
  3. Step 3: Cross multiply
    30,821,792.48x = 42,533,552.35 × 17,070,461.36
  4. Step 4: Simplify right side
    30,821,792.48x = 726,067,361,894,212.25
  5. Step 5: Solve for x
    x = 726,067,361,894,212.25/30,821,792.48
  6. Step 6: Final answer
    x = 23,556,947.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.