Home / 12,653,539.08-18,980,833.50-3,678,091.08

Finding the Fourth Proportional to 12,653,539.08, 18,980,833.50 and 3,678,091.08

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Solution

The fourth proportional to 12,653,539.08, 18,980,833.50 and 3,678,091.08 is: 5,517,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653,539.08 : 18,980,833.50 = 3,678,091.08 : x
  2. Step 2: Convert to fraction form
    12,653,539.08/18,980,833.50 = 3,678,091.08/x
  3. Step 3: Cross multiply
    12,653,539.08x = 18,980,833.50 × 3,678,091.08
  4. Step 4: Simplify right side
    12,653,539.08x = 69,813,234,387,315.18
  5. Step 5: Solve for x
    x = 69,813,234,387,315.18/12,653,539.08
  6. Step 6: Final answer
    x = 5,517,289.19

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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.