Home / 7,539,971.50-10,404,328.10-4,231,506.90

Finding the Fourth Proportional to 7,539,971.50, 10,404,328.10 and 4,231,506.90

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Solution

The fourth proportional to 7,539,971.50, 10,404,328.10 and 4,231,506.90 is: 5,839,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539,971.50 : 10,404,328.10 = 4,231,506.90 : x
  2. Step 2: Convert to fraction form
    7,539,971.50/10,404,328.10 = 4,231,506.90/x
  3. Step 3: Cross multiply
    7,539,971.50x = 10,404,328.10 × 4,231,506.90
  4. Step 4: Simplify right side
    7,539,971.50x = 44,025,986,145,013.89
  5. Step 5: Solve for x
    x = 44,025,986,145,013.89/7,539,971.50
  6. Step 6: Final answer
    x = 5,839,012.28

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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.