Home / 39,192,496.63-54,085,855.64-21,552,536.67

Finding the Fourth Proportional to 39,192,496.63, 54,085,855.64 and 21,552,536.67

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Solution

The fourth proportional to 39,192,496.63, 54,085,855.64 and 21,552,536.67 is: 29,742,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,192,496.63 : 54,085,855.64 = 21,552,536.67 : x
  2. Step 2: Convert to fraction form
    39,192,496.63/54,085,855.64 = 21,552,536.67/x
  3. Step 3: Cross multiply
    39,192,496.63x = 54,085,855.64 × 21,552,536.67
  4. Step 4: Simplify right side
    39,192,496.63x = 1,165,687,387,009,426.50
  5. Step 5: Solve for x
    x = 1,165,687,387,009,426.50/39,192,496.63
  6. Step 6: Final answer
    x = 29,742,616.25

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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.