Home / 14,012,502.30-21,018,753.45-12,595,326.30

Finding the Fourth Proportional to 14,012,502.30, 21,018,753.45 and 12,595,326.30

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Solution

The fourth proportional to 14,012,502.30, 21,018,753.45 and 12,595,326.30 is: 18,892,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,502.30 : 21,018,753.45 = 12,595,326.30 : x
  2. Step 2: Convert to fraction form
    14,012,502.30/21,018,753.45 = 12,595,326.30/x
  3. Step 3: Cross multiply
    14,012,502.30x = 21,018,753.45 × 12,595,326.30
  4. Step 4: Simplify right side
    14,012,502.30x = 264,738,058,122,000.75
  5. Step 5: Solve for x
    x = 264,738,058,122,000.75/14,012,502.30
  6. Step 6: Final answer
    x = 18,892,989.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.