Home / 19,498,998.60-26,936,647.06-15,573,600.76

Finding the Fourth Proportional to 19,498,998.60, 26,936,647.06 and 15,573,600.76

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Solution

The fourth proportional to 19,498,998.60, 26,936,647.06 and 15,573,600.76 is: 21,513,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498,998.60 : 26,936,647.06 = 15,573,600.76 : x
  2. Step 2: Convert to fraction form
    19,498,998.60/26,936,647.06 = 15,573,600.76/x
  3. Step 3: Cross multiply
    19,498,998.60x = 26,936,647.06 × 15,573,600.76
  4. Step 4: Simplify right side
    19,498,998.60x = 419,500,587,125,467.75
  5. Step 5: Solve for x
    x = 419,500,587,125,467.75/19,498,998.60
  6. Step 6: Final answer
    x = 21,513,955.45

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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.