Home / 6,869,970.91-9,480,189.66-3,813,988.51

Finding the Fourth Proportional to 6,869,970.91, 9,480,189.66 and 3,813,988.51

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Solution

The fourth proportional to 6,869,970.91, 9,480,189.66 and 3,813,988.51 is: 5,263,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869,970.91 : 9,480,189.66 = 3,813,988.51 : x
  2. Step 2: Convert to fraction form
    6,869,970.91/9,480,189.66 = 3,813,988.51/x
  3. Step 3: Cross multiply
    6,869,970.91x = 9,480,189.66 × 3,813,988.51
  4. Step 4: Simplify right side
    6,869,970.91x = 36,157,334,435,860.80
  5. Step 5: Solve for x
    x = 36,157,334,435,860.80/6,869,970.91
  6. Step 6: Final answer
    x = 5,263,098.62

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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.