Home / 10,507,500.39-15,759,946.08-2,831,745.72

Finding the Fourth Proportional to 10,507,500.39, 15,759,946.08 and 2,831,745.72

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Solution

The fourth proportional to 10,507,500.39, 15,759,946.08 and 2,831,745.72 is: 4,247,267.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507,500.39 : 15,759,946.08 = 2,831,745.72 : x
  2. Step 2: Convert to fraction form
    10,507,500.39/15,759,946.08 = 2,831,745.72/x
  3. Step 3: Cross multiply
    10,507,500.39x = 15,759,946.08 × 2,831,745.72
  4. Step 4: Simplify right side
    10,507,500.39x = 44,628,159,859,470.78
  5. Step 5: Solve for x
    x = 44,628,159,859,470.78/10,507,500.39
  6. Step 6: Final answer
    x = 4,247,267.02

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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.