Home / 39,210,767.40-54,112,351.96-21,808,371

Finding the Fourth Proportional to 39,210,767.40, 54,112,351.96 and 21,808,371

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Solution

The fourth proportional to 39,210,767.40, 54,112,351.96 and 21,808,371 is: 30,096,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210,767.40 : 54,112,351.96 = 21,808,371 : x
  2. Step 2: Convert to fraction form
    39,210,767.40/54,112,351.96 = 21,808,371/x
  3. Step 3: Cross multiply
    39,210,767.40x = 54,112,351.96 × 21,808,371
  4. Step 4: Simplify right side
    39,210,767.40x = 1,180,102,247,226,257.25
  5. Step 5: Solve for x
    x = 1,180,102,247,226,257.25/39,210,767.40
  6. Step 6: Final answer
    x = 30,096,382.33

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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.