Home / 39,034,263.88-53,867,603.10-21,630,899.80

Finding the Fourth Proportional to 39,034,263.88, 53,867,603.10 and 21,630,899.80

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Solution

The fourth proportional to 39,034,263.88, 53,867,603.10 and 21,630,899.80 is: 29,850,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034,263.88 : 53,867,603.10 = 21,630,899.80 : x
  2. Step 2: Convert to fraction form
    39,034,263.88/53,867,603.10 = 21,630,899.80/x
  3. Step 3: Cross multiply
    39,034,263.88x = 53,867,603.10 × 21,630,899.80
  4. Step 4: Simplify right side
    39,034,263.88x = 1,165,204,725,122,269.50
  5. Step 5: Solve for x
    x = 1,165,204,725,122,269.50/39,034,263.88
  6. Step 6: Final answer
    x = 29,850,818.47

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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.