Home / 38,081,017.96-57,123,364.02-12,521,461.48

Finding the Fourth Proportional to 38,081,017.96, 57,123,364.02 and 12,521,461.48

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Solution

The fourth proportional to 38,081,017.96, 57,123,364.02 and 12,521,461.48 is: 18,782,796.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081,017.96 : 57,123,364.02 = 12,521,461.48 : x
  2. Step 2: Convert to fraction form
    38,081,017.96/57,123,364.02 = 12,521,461.48/x
  3. Step 3: Cross multiply
    38,081,017.96x = 57,123,364.02 × 12,521,461.48
  4. Step 4: Simplify right side
    38,081,017.96x = 715,268,002,184,448
  5. Step 5: Solve for x
    x = 715,268,002,184,448/38,081,017.96
  6. Step 6: Final answer
    x = 18,782,796.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.