Home / 20,553,925.66-28,362,350.53-11,384,855.26

Finding the Fourth Proportional to 20,553,925.66, 28,362,350.53 and 11,384,855.26

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Solution

The fourth proportional to 20,553,925.66, 28,362,350.53 and 11,384,855.26 is: 15,709,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553,925.66 : 28,362,350.53 = 11,384,855.26 : x
  2. Step 2: Convert to fraction form
    20,553,925.66/28,362,350.53 = 11,384,855.26/x
  3. Step 3: Cross multiply
    20,553,925.66x = 28,362,350.53 × 11,384,855.26
  4. Step 4: Simplify right side
    20,553,925.66x = 322,901,255,617,434.31
  5. Step 5: Solve for x
    x = 322,901,255,617,434.31/20,553,925.66
  6. Step 6: Final answer
    x = 15,709,955.41

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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.