Home / 39,033,692.36-53,866,816.38-21,630,328.22

Finding the Fourth Proportional to 39,033,692.36, 53,866,816.38 and 21,630,328.22

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Solution

The fourth proportional to 39,033,692.36, 53,866,816.38 and 21,630,328.22 is: 29,850,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,692.36 : 53,866,816.38 = 21,630,328.22 : x
  2. Step 2: Convert to fraction form
    39,033,692.36/53,866,816.38 = 21,630,328.22/x
  3. Step 3: Cross multiply
    39,033,692.36x = 53,866,816.38 × 21,630,328.22
  4. Step 4: Simplify right side
    39,033,692.36x = 1,165,156,918,465,872.25
  5. Step 5: Solve for x
    x = 1,165,156,918,465,872.25/39,033,692.36
  6. Step 6: Final answer
    x = 29,850,030.78

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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.