Home / 39,025,519.74-53,854,518.60-21,621,515.76

Finding the Fourth Proportional to 39,025,519.74, 53,854,518.60 and 21,621,515.76

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Solution

The fourth proportional to 39,025,519.74, 53,854,518.60 and 21,621,515.76 is: 29,837,304.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,025,519.74 : 53,854,518.60 = 21,621,515.76 : x
  2. Step 2: Convert to fraction form
    39,025,519.74/53,854,518.60 = 21,621,515.76/x
  3. Step 3: Cross multiply
    39,025,519.74x = 53,854,518.60 × 21,621,515.76
  4. Step 4: Simplify right side
    39,025,519.74x = 1,164,416,322,657,113.25
  5. Step 5: Solve for x
    x = 1,164,416,322,657,113.25/39,025,519.74
  6. Step 6: Final answer
    x = 29,837,304.68

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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.