Home / 37,143,647.57-51,257,515.15-20,622,918.35

Finding the Fourth Proportional to 37,143,647.57, 51,257,515.15 and 20,622,918.35

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Solution

The fourth proportional to 37,143,647.57, 51,257,515.15 and 20,622,918.35 is: 28,459,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143,647.57 : 51,257,515.15 = 20,622,918.35 : x
  2. Step 2: Convert to fraction form
    37,143,647.57/51,257,515.15 = 20,622,918.35/x
  3. Step 3: Cross multiply
    37,143,647.57x = 51,257,515.15 × 20,622,918.35
  4. Step 4: Simplify right side
    37,143,647.57x = 1,057,079,549,762,338
  5. Step 5: Solve for x
    x = 1,057,079,549,762,338/37,143,647.57
  6. Step 6: Final answer
    x = 28,459,228.40

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Double scale
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1.5x scale

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.