Home / 26,078,486.40-39,117,729.60-19,360,022.40

Finding the Fourth Proportional to 26,078,486.40, 39,117,729.60 and 19,360,022.40

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Solution

The fourth proportional to 26,078,486.40, 39,117,729.60 and 19,360,022.40 is: 29,040,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078,486.40 : 39,117,729.60 = 19,360,022.40 : x
  2. Step 2: Convert to fraction form
    26,078,486.40/39,117,729.60 = 19,360,022.40/x
  3. Step 3: Cross multiply
    26,078,486.40x = 39,117,729.60 × 19,360,022.40
  4. Step 4: Simplify right side
    26,078,486.40x = 757,320,121,293,143
  5. Step 5: Solve for x
    x = 757,320,121,293,143/26,078,486.40
  6. Step 6: Final answer
    x = 29,040,033.60

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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.