Home / 39,033,698.69-53,866,825.11-21,630,334.55

Finding the Fourth Proportional to 39,033,698.69, 53,866,825.11 and 21,630,334.55

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Solution

The fourth proportional to 39,033,698.69, 53,866,825.11 and 21,630,334.55 is: 29,850,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,698.69 : 53,866,825.11 = 21,630,334.55 : x
  2. Step 2: Convert to fraction form
    39,033,698.69/53,866,825.11 = 21,630,334.55/x
  3. Step 3: Cross multiply
    39,033,698.69x = 53,866,825.11 × 21,630,334.55
  4. Step 4: Simplify right side
    39,033,698.69x = 1,165,157,448,006,306.50
  5. Step 5: Solve for x
    x = 1,165,157,448,006,306.50/39,033,698.69
  6. Step 6: Final answer
    x = 29,850,039.51

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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.