Home / 13,237,031.92-18,265,114.32-7,434,702.16

Finding the Fourth Proportional to 13,237,031.92, 18,265,114.32 and 7,434,702.16

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Solution

The fourth proportional to 13,237,031.92, 18,265,114.32 and 7,434,702.16 is: 10,258,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237,031.92 : 18,265,114.32 = 7,434,702.16 : x
  2. Step 2: Convert to fraction form
    13,237,031.92/18,265,114.32 = 7,434,702.16/x
  3. Step 3: Cross multiply
    13,237,031.92x = 18,265,114.32 × 7,434,702.16
  4. Step 4: Simplify right side
    13,237,031.92x = 135,795,684,887,550.94
  5. Step 5: Solve for x
    x = 135,795,684,887,550.94/13,237,031.92
  6. Step 6: Final answer
    x = 10,258,771.43

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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.