Home / 52,515,816.72-72,471,927.36-28,994,398.96

Finding the Fourth Proportional to 52,515,816.72, 72,471,927.36 and 28,994,398.96

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Solution

The fourth proportional to 52,515,816.72, 72,471,927.36 and 28,994,398.96 is: 40,012,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,515,816.72 : 72,471,927.36 = 28,994,398.96 : x
  2. Step 2: Convert to fraction form
    52,515,816.72/72,471,927.36 = 28,994,398.96/x
  3. Step 3: Cross multiply
    52,515,816.72x = 72,471,927.36 × 28,994,398.96
  4. Step 4: Simplify right side
    52,515,816.72x = 2,101,279,975,275,979.50
  5. Step 5: Solve for x
    x = 2,101,279,975,275,979.50/52,515,816.72
  6. Step 6: Final answer
    x = 40,012,325.93

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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.