Home / 29,379,222.47-40,500,596.33-20,531,203.70

Finding the Fourth Proportional to 29,379,222.47, 40,500,596.33 and 20,531,203.70

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Solution

The fourth proportional to 29,379,222.47, 40,500,596.33 and 20,531,203.70 is: 28,303,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,222.47 : 40,500,596.33 = 20,531,203.70 : x
  2. Step 2: Convert to fraction form
    29,379,222.47/40,500,596.33 = 20,531,203.70/x
  3. Step 3: Cross multiply
    29,379,222.47x = 40,500,596.33 × 20,531,203.70
  4. Step 4: Simplify right side
    29,379,222.47x = 831,525,993,071,527.50
  5. Step 5: Solve for x
    x = 831,525,993,071,527.50/29,379,222.47
  6. Step 6: Final answer
    x = 28,303,199.44

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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.