Home / 7,639,989.66-10,544,683.59-4,378,990.50

Finding the Fourth Proportional to 7,639,989.66, 10,544,683.59 and 4,378,990.50

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Solution

The fourth proportional to 7,639,989.66, 10,544,683.59 and 4,378,990.50 is: 6,043,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,989.66 : 10,544,683.59 = 4,378,990.50 : x
  2. Step 2: Convert to fraction form
    7,639,989.66/10,544,683.59 = 4,378,990.50/x
  3. Step 3: Cross multiply
    7,639,989.66x = 10,544,683.59 × 4,378,990.50
  4. Step 4: Simplify right side
    7,639,989.66x = 46,175,069,266,115.89
  5. Step 5: Solve for x
    x = 46,175,069,266,115.89/7,639,989.66
  6. Step 6: Final answer
    x = 6,043,865.41

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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.