Home / 11,507,873.30-15,880,639.86-6,280,918.94

Finding the Fourth Proportional to 11,507,873.30, 15,880,639.86 and 6,280,918.94

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Solution

The fourth proportional to 11,507,873.30, 15,880,639.86 and 6,280,918.94 is: 8,667,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507,873.30 : 15,880,639.86 = 6,280,918.94 : x
  2. Step 2: Convert to fraction form
    11,507,873.30/15,880,639.86 = 6,280,918.94/x
  3. Step 3: Cross multiply
    11,507,873.30x = 15,880,639.86 × 6,280,918.94
  4. Step 4: Simplify right side
    11,507,873.30x = 99,745,011,675,992.95
  5. Step 5: Solve for x
    x = 99,745,011,675,992.95/11,507,873.30
  6. Step 6: Final answer
    x = 8,667,545.17

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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.