Home / 13,460,400.90-20,190,601.35-12,116,708.10

Finding the Fourth Proportional to 13,460,400.90, 20,190,601.35 and 12,116,708.10

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Solution

The fourth proportional to 13,460,400.90, 20,190,601.35 and 12,116,708.10 is: 18,175,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,400.90 : 20,190,601.35 = 12,116,708.10 : x
  2. Step 2: Convert to fraction form
    13,460,400.90/20,190,601.35 = 12,116,708.10/x
  3. Step 3: Cross multiply
    13,460,400.90x = 20,190,601.35 × 12,116,708.10
  4. Step 4: Simplify right side
    13,460,400.90x = 244,643,622,921,415.94
  5. Step 5: Solve for x
    x = 244,643,622,921,415.94/13,460,400.90
  6. Step 6: Final answer
    x = 18,175,062.15

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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.