Home / 26,415,015.40-39,622,523.10-19,187,417.80

Finding the Fourth Proportional to 26,415,015.40, 39,622,523.10 and 19,187,417.80

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Solution

The fourth proportional to 26,415,015.40, 39,622,523.10 and 19,187,417.80 is: 28,781,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415,015.40 : 39,622,523.10 = 19,187,417.80 : x
  2. Step 2: Convert to fraction form
    26,415,015.40/39,622,523.10 = 19,187,417.80/x
  3. Step 3: Cross multiply
    26,415,015.40x = 39,622,523.10 × 19,187,417.80
  4. Step 4: Simplify right side
    26,415,015.40x = 760,253,905,009,851.25
  5. Step 5: Solve for x
    x = 760,253,905,009,851.25/26,415,015.40
  6. Step 6: Final answer
    x = 28,781,126.70

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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.