Home / 12,111,909.96-16,713,873.52-6,951,639.72

Finding the Fourth Proportional to 12,111,909.96, 16,713,873.52 and 6,951,639.72

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Solution

The fourth proportional to 12,111,909.96, 16,713,873.52 and 6,951,639.72 is: 9,592,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111,909.96 : 16,713,873.52 = 6,951,639.72 : x
  2. Step 2: Convert to fraction form
    12,111,909.96/16,713,873.52 = 6,951,639.72/x
  3. Step 3: Cross multiply
    12,111,909.96x = 16,713,873.52 × 6,951,639.72
  4. Step 4: Simplify right side
    12,111,909.96x = 116,188,827,036,688.20
  5. Step 5: Solve for x
    x = 116,188,827,036,688.20/12,111,909.96
  6. Step 6: Final answer
    x = 9,592,940.12

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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.