Home / 39,450,301.50-54,436,701.12-21,806,820.68

Finding the Fourth Proportional to 39,450,301.50, 54,436,701.12 and 21,806,820.68

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Solution

The fourth proportional to 39,450,301.50, 54,436,701.12 and 21,806,820.68 is: 30,090,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450,301.50 : 54,436,701.12 = 21,806,820.68 : x
  2. Step 2: Convert to fraction form
    39,450,301.50/54,436,701.12 = 21,806,820.68/x
  3. Step 3: Cross multiply
    39,450,301.50x = 54,436,701.12 × 21,806,820.68
  4. Step 4: Simplify right side
    39,450,301.50x = 1,187,091,379,734,595
  5. Step 5: Solve for x
    x = 1,187,091,379,734,595/39,450,301.50
  6. Step 6: Final answer
    x = 30,090,806.27

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1.5x scale

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.