Home / 14,078,324.32-19,418,051.28-12,920,502.64

Finding the Fourth Proportional to 14,078,324.32, 19,418,051.28 and 12,920,502.64

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Solution

The fourth proportional to 14,078,324.32, 19,418,051.28 and 12,920,502.64 is: 17,821,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,324.32 : 19,418,051.28 = 12,920,502.64 : x
  2. Step 2: Convert to fraction form
    14,078,324.32/19,418,051.28 = 12,920,502.64/x
  3. Step 3: Cross multiply
    14,078,324.32x = 19,418,051.28 × 12,920,502.64
  4. Step 4: Simplify right side
    14,078,324.32x = 250,890,982,826,895.41
  5. Step 5: Solve for x
    x = 250,890,982,826,895.41/14,078,324.32
  6. Step 6: Final answer
    x = 17,821,082.76

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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.