Home / 39,033,697.33-53,866,823.21-21,630,333.18

Finding the Fourth Proportional to 39,033,697.33, 53,866,823.21 and 21,630,333.18

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Solution

The fourth proportional to 39,033,697.33, 53,866,823.21 and 21,630,333.18 is: 29,850,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,697.33 : 53,866,823.21 = 21,630,333.18 : x
  2. Step 2: Convert to fraction form
    39,033,697.33/53,866,823.21 = 21,630,333.18/x
  3. Step 3: Cross multiply
    39,033,697.33x = 53,866,823.21 × 21,630,333.18
  4. Step 4: Simplify right side
    39,033,697.33x = 1,165,157,333,555,419.75
  5. Step 5: Solve for x
    x = 1,165,157,333,555,419.75/39,033,697.33
  6. Step 6: Final answer
    x = 29,850,037.61

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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.