Home / 12,008,792.40-16,572,009.24-6,502,072.56

Finding the Fourth Proportional to 12,008,792.40, 16,572,009.24 and 6,502,072.56

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Solution

The fourth proportional to 12,008,792.40, 16,572,009.24 and 6,502,072.56 is: 8,972,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008,792.40 : 16,572,009.24 = 6,502,072.56 : x
  2. Step 2: Convert to fraction form
    12,008,792.40/16,572,009.24 = 6,502,072.56/x
  3. Step 3: Cross multiply
    12,008,792.40x = 16,572,009.24 × 6,502,072.56
  4. Step 4: Simplify right side
    12,008,792.40x = 107,752,406,543,470.45
  5. Step 5: Solve for x
    x = 107,752,406,543,470.45/12,008,792.40
  6. Step 6: Final answer
    x = 8,972,792.85

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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.