Home / 12,760,904.10-19,141,356.15-4,242,555.30

Finding the Fourth Proportional to 12,760,904.10, 19,141,356.15 and 4,242,555.30

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Solution

The fourth proportional to 12,760,904.10, 19,141,356.15 and 4,242,555.30 is: 6,363,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760,904.10 : 19,141,356.15 = 4,242,555.30 : x
  2. Step 2: Convert to fraction form
    12,760,904.10/19,141,356.15 = 4,242,555.30/x
  3. Step 3: Cross multiply
    12,760,904.10x = 19,141,356.15 × 4,242,555.30
  4. Step 4: Simplify right side
    12,760,904.10x = 81,208,261,983,370.08
  5. Step 5: Solve for x
    x = 81,208,261,983,370.08/12,760,904.10
  6. Step 6: Final answer
    x = 6,363,832.95

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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.