Home / 21,431,058.57-29,575,672.22-12,012,022.10

Finding the Fourth Proportional to 21,431,058.57, 29,575,672.22 and 12,012,022.10

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Solution

The fourth proportional to 21,431,058.57, 29,575,672.22 and 12,012,022.10 is: 16,577,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,431,058.57 : 29,575,672.22 = 12,012,022.10 : x
  2. Step 2: Convert to fraction form
    21,431,058.57/29,575,672.22 = 12,012,022.10/x
  3. Step 3: Cross multiply
    21,431,058.57x = 29,575,672.22 × 12,012,022.10
  4. Step 4: Simplify right side
    21,431,058.57x = 355,263,628,432,965.25
  5. Step 5: Solve for x
    x = 355,263,628,432,965.25/21,431,058.57
  6. Step 6: Final answer
    x = 16,577,045.29

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1.5x scale

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.