Home / 21,523,563.38-29,702,963.10-12,104,534.36

Finding the Fourth Proportional to 21,523,563.38, 29,702,963.10 and 12,104,534.36

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Solution

The fourth proportional to 21,523,563.38, 29,702,963.10 and 12,104,534.36 is: 16,704,508.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523,563.38 : 29,702,963.10 = 12,104,534.36 : x
  2. Step 2: Convert to fraction form
    21,523,563.38/29,702,963.10 = 12,104,534.36/x
  3. Step 3: Cross multiply
    21,523,563.38x = 29,702,963.10 × 12,104,534.36
  4. Step 4: Simplify right side
    21,523,563.38x = 359,540,537,437,762.12
  5. Step 5: Solve for x
    x = 359,540,537,437,762.12/21,523,563.38
  6. Step 6: Final answer
    x = 16,704,508.04

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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.