Home / 7,872,628.12-11,812,674.66-4,684,053.40

Finding the Fourth Proportional to 7,872,628.12, 11,812,674.66 and 4,684,053.40

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Solution

The fourth proportional to 7,872,628.12, 11,812,674.66 and 4,684,053.40 is: 7,028,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872,628.12 : 11,812,674.66 = 4,684,053.40 : x
  2. Step 2: Convert to fraction form
    7,872,628.12/11,812,674.66 = 4,684,053.40/x
  3. Step 3: Cross multiply
    7,872,628.12x = 11,812,674.66 × 4,684,053.40
  4. Step 4: Simplify right side
    7,872,628.12x = 55,331,198,904,266.85
  5. Step 5: Solve for x
    x = 55,331,198,904,266.85/7,872,628.12
  6. Step 6: Final answer
    x = 7,028,300.85

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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.