Home / 29,629,364.81-40,880,638.37-20,339,776.13

Finding the Fourth Proportional to 29,629,364.81, 40,880,638.37 and 20,339,776.13

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Solution

The fourth proportional to 29,629,364.81, 40,880,638.37 and 20,339,776.13 is: 28,063,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,629,364.81 : 40,880,638.37 = 20,339,776.13 : x
  2. Step 2: Convert to fraction form
    29,629,364.81/40,880,638.37 = 20,339,776.13/x
  3. Step 3: Cross multiply
    29,629,364.81x = 40,880,638.37 × 20,339,776.13
  4. Step 4: Simplify right side
    29,629,364.81x = 831,503,032,343,734.38
  5. Step 5: Solve for x
    x = 831,503,032,343,734.38/29,629,364.81
  6. Step 6: Final answer
    x = 28,063,478.17

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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.