Home / 20,553,923.91-28,362,348.12-11,384,853.51

Finding the Fourth Proportional to 20,553,923.91, 28,362,348.12 and 11,384,853.51

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Solution

The fourth proportional to 20,553,923.91, 28,362,348.12 and 11,384,853.51 is: 15,709,953.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553,923.91 : 28,362,348.12 = 11,384,853.51 : x
  2. Step 2: Convert to fraction form
    20,553,923.91/28,362,348.12 = 11,384,853.51/x
  3. Step 3: Cross multiply
    20,553,923.91x = 28,362,348.12 × 11,384,853.51
  4. Step 4: Simplify right side
    20,553,923.91x = 322,901,178,545,823.94
  5. Step 5: Solve for x
    x = 322,901,178,545,823.94/20,553,923.91
  6. Step 6: Final answer
    x = 15,709,953.00

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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.