Home / 7,242,903.45-10,869,459.90-3,404,900.61

Finding the Fourth Proportional to 7,242,903.45, 10,869,459.90 and 3,404,900.61

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Solution

The fourth proportional to 7,242,903.45, 10,869,459.90 and 3,404,900.61 is: 5,109,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,903.45 : 10,869,459.90 = 3,404,900.61 : x
  2. Step 2: Convert to fraction form
    7,242,903.45/10,869,459.90 = 3,404,900.61/x
  3. Step 3: Cross multiply
    7,242,903.45x = 10,869,459.90 × 3,404,900.61
  4. Step 4: Simplify right side
    7,242,903.45x = 37,009,430,643,880.54
  5. Step 5: Solve for x
    x = 37,009,430,643,880.54/7,242,903.45
  6. Step 6: Final answer
    x = 5,109,750.65

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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.