Home / 38,238,852.51-52,769,624.03-20,835,197.78

Finding the Fourth Proportional to 38,238,852.51, 52,769,624.03 and 20,835,197.78

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Solution

The fourth proportional to 38,238,852.51, 52,769,624.03 and 20,835,197.78 is: 28,752,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,852.51 : 52,769,624.03 = 20,835,197.78 : x
  2. Step 2: Convert to fraction form
    38,238,852.51/52,769,624.03 = 20,835,197.78/x
  3. Step 3: Cross multiply
    38,238,852.51x = 52,769,624.03 × 20,835,197.78
  4. Step 4: Simplify right side
    38,238,852.51x = 1,099,465,553,073,266.38
  5. Step 5: Solve for x
    x = 1,099,465,553,073,266.38/38,238,852.51
  6. Step 6: Final answer
    x = 28,752,577.05

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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.