Home / 19,306,420.46-28,945,589.70-9,066,003.46

Finding the Fourth Proportional to 19,306,420.46, 28,945,589.70 and 9,066,003.46

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Solution

The fourth proportional to 19,306,420.46, 28,945,589.70 and 9,066,003.46 is: 13,592,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306,420.46 : 28,945,589.70 = 9,066,003.46 : x
  2. Step 2: Convert to fraction form
    19,306,420.46/28,945,589.70 = 9,066,003.46/x
  3. Step 3: Cross multiply
    19,306,420.46x = 28,945,589.70 × 9,066,003.46
  4. Step 4: Simplify right side
    19,306,420.46x = 262,420,816,391,123.59
  5. Step 5: Solve for x
    x = 262,420,816,391,123.59/19,306,420.46
  6. Step 6: Final answer
    x = 13,592,411.75

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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.