Home / 21,420,058.23-29,558,851.30-11,630,278.35

Finding the Fourth Proportional to 21,420,058.23, 29,558,851.30 and 11,630,278.35

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Solution

The fourth proportional to 21,420,058.23, 29,558,851.30 and 11,630,278.35 is: 16,049,333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,420,058.23 : 29,558,851.30 = 11,630,278.35 : x
  2. Step 2: Convert to fraction form
    21,420,058.23/29,558,851.30 = 11,630,278.35/x
  3. Step 3: Cross multiply
    21,420,058.23x = 29,558,851.30 × 11,630,278.35
  4. Step 4: Simplify right side
    21,420,058.23x = 343,777,668,325,259.38
  5. Step 5: Solve for x
    x = 343,777,668,325,259.38/21,420,058.23
  6. Step 6: Final answer
    x = 16,049,333.98

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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.