Home / 39,930,284.52-55,103,792.58-21,595,570.02

Finding the Fourth Proportional to 39,930,284.52, 55,103,792.58 and 21,595,570.02

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Solution

The fourth proportional to 39,930,284.52, 55,103,792.58 and 21,595,570.02 is: 29,801,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930,284.52 : 55,103,792.58 = 21,595,570.02 : x
  2. Step 2: Convert to fraction form
    39,930,284.52/55,103,792.58 = 21,595,570.02/x
  3. Step 3: Cross multiply
    39,930,284.52x = 55,103,792.58 × 21,595,570.02
  4. Step 4: Simplify right side
    39,930,284.52x = 1,189,997,811,028,946.50
  5. Step 5: Solve for x
    x = 1,189,997,811,028,946.50/39,930,284.52
  6. Step 6: Final answer
    x = 29,801,886.60

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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.