Home / 17,640,019.80-26,460,029.70-7,543,661.40

Finding the Fourth Proportional to 17,640,019.80, 26,460,029.70 and 7,543,661.40

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Solution

The fourth proportional to 17,640,019.80, 26,460,029.70 and 7,543,661.40 is: 11,315,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640,019.80 : 26,460,029.70 = 7,543,661.40 : x
  2. Step 2: Convert to fraction form
    17,640,019.80/26,460,029.70 = 7,543,661.40/x
  3. Step 3: Cross multiply
    17,640,019.80x = 26,460,029.70 × 7,543,661.40
  4. Step 4: Simplify right side
    17,640,019.80x = 199,605,504,690,743.59
  5. Step 5: Solve for x
    x = 199,605,504,690,743.59/17,640,019.80
  6. Step 6: Final answer
    x = 11,315,492.10

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1.5x scale

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.