Home / 7,158,112.02-9,878,427.81-4,102,902.90

Finding the Fourth Proportional to 7,158,112.02, 9,878,427.81 and 4,102,902.90

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Solution

The fourth proportional to 7,158,112.02, 9,878,427.81 and 4,102,902.90 is: 5,662,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158,112.02 : 9,878,427.81 = 4,102,902.90 : x
  2. Step 2: Convert to fraction form
    7,158,112.02/9,878,427.81 = 4,102,902.90/x
  3. Step 3: Cross multiply
    7,158,112.02x = 9,878,427.81 × 4,102,902.90
  4. Step 4: Simplify right side
    7,158,112.02x = 40,530,230,109,089.65
  5. Step 5: Solve for x
    x = 40,530,230,109,089.65/7,158,112.02
  6. Step 6: Final answer
    x = 5,662,139.68

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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.