Home / 19,928,783.16-27,503,752.50-12,198,933.72

Finding the Fourth Proportional to 19,928,783.16, 27,503,752.50 and 12,198,933.72

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Solution

The fourth proportional to 19,928,783.16, 27,503,752.50 and 12,198,933.72 is: 16,835,772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,783.16 : 27,503,752.50 = 12,198,933.72 : x
  2. Step 2: Convert to fraction form
    19,928,783.16/27,503,752.50 = 12,198,933.72/x
  3. Step 3: Cross multiply
    19,928,783.16x = 27,503,752.50 × 12,198,933.72
  4. Step 4: Simplify right side
    19,928,783.16x = 335,516,453,798,784.31
  5. Step 5: Solve for x
    x = 335,516,453,798,784.31/19,928,783.16
  6. Step 6: Final answer
    x = 16,835,772.21

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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.