Home / 7,243,670.80-10,865,506.20-7,137,382.60

Finding the Fourth Proportional to 7,243,670.80, 10,865,506.20 and 7,137,382.60

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Solution

The fourth proportional to 7,243,670.80, 10,865,506.20 and 7,137,382.60 is: 10,706,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,670.80 : 10,865,506.20 = 7,137,382.60 : x
  2. Step 2: Convert to fraction form
    7,243,670.80/10,865,506.20 = 7,137,382.60/x
  3. Step 3: Cross multiply
    7,243,670.80x = 10,865,506.20 × 7,137,382.60
  4. Step 4: Simplify right side
    7,243,670.80x = 77,551,274,892,072.11
  5. Step 5: Solve for x
    x = 77,551,274,892,072.11/7,243,670.80
  6. Step 6: Final answer
    x = 10,706,073.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.