Home / 7,158,113.02-9,878,429.19-4,102,903.90

Finding the Fourth Proportional to 7,158,113.02, 9,878,429.19 and 4,102,903.90

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Solution

The fourth proportional to 7,158,113.02, 9,878,429.19 and 4,102,903.90 is: 5,662,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158,113.02 : 9,878,429.19 = 4,102,903.90 : x
  2. Step 2: Convert to fraction form
    7,158,113.02/9,878,429.19 = 4,102,903.90/x
  3. Step 3: Cross multiply
    7,158,113.02x = 9,878,429.19 × 4,102,903.90
  4. Step 4: Simplify right side
    7,158,113.02x = 40,530,245,649,524.84
  5. Step 5: Solve for x
    x = 40,530,245,649,524.84/7,158,113.02
  6. Step 6: Final answer
    x = 5,662,141.06

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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.