Home / 30,420,867.10-45,631,300.65-7,391,683.29

Finding the Fourth Proportional to 30,420,867.10, 45,631,300.65 and 7,391,683.29

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Solution

The fourth proportional to 30,420,867.10, 45,631,300.65 and 7,391,683.29 is: 11,087,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,420,867.10 : 45,631,300.65 = 7,391,683.29 : x
  2. Step 2: Convert to fraction form
    30,420,867.10/45,631,300.65 = 7,391,683.29/x
  3. Step 3: Cross multiply
    30,420,867.10x = 45,631,300.65 × 7,391,683.29
  4. Step 4: Simplify right side
    30,420,867.10x = 337,292,122,515,571.12
  5. Step 5: Solve for x
    x = 337,292,122,515,571.12/30,420,867.10
  6. Step 6: Final answer
    x = 11,087,524.94

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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.