Home / 38,238,918.36-52,769,714.85-20,835,263.22

Finding the Fourth Proportional to 38,238,918.36, 52,769,714.85 and 20,835,263.22

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Solution

The fourth proportional to 38,238,918.36, 52,769,714.85 and 20,835,263.22 is: 28,752,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,918.36 : 52,769,714.85 = 20,835,263.22 : x
  2. Step 2: Convert to fraction form
    38,238,918.36/52,769,714.85 = 20,835,263.22/x
  3. Step 3: Cross multiply
    38,238,918.36x = 52,769,714.85 × 20,835,263.22
  4. Step 4: Simplify right side
    38,238,918.36x = 1,099,470,898,944,092.75
  5. Step 5: Solve for x
    x = 1,099,470,898,944,092.75/38,238,918.36
  6. Step 6: Final answer
    x = 28,752,667.34

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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.