Home / 38,835,358.80-53,612,944.74-28,369,623.39

Finding the Fourth Proportional to 38,835,358.80, 53,612,944.74 and 28,369,623.39

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Solution

The fourth proportional to 38,835,358.80, 53,612,944.74 and 28,369,623.39 is: 39,164,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,835,358.80 : 53,612,944.74 = 28,369,623.39 : x
  2. Step 2: Convert to fraction form
    38,835,358.80/53,612,944.74 = 28,369,623.39/x
  3. Step 3: Cross multiply
    38,835,358.80x = 53,612,944.74 × 28,369,623.39
  4. Step 4: Simplify right side
    38,835,358.80x = 1,520,979,051,102,681.50
  5. Step 5: Solve for x
    x = 1,520,979,051,102,681.50/38,835,358.80
  6. Step 6: Final answer
    x = 39,164,799.76

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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.