Home / 13,631,464.40-20,463,785.40-6,896,411.60

Finding the Fourth Proportional to 13,631,464.40, 20,463,785.40 and 6,896,411.60

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Solution

The fourth proportional to 13,631,464.40, 20,463,785.40 and 6,896,411.60 is: 10,353,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,464.40 : 20,463,785.40 = 6,896,411.60 : x
  2. Step 2: Convert to fraction form
    13,631,464.40/20,463,785.40 = 6,896,411.60/x
  3. Step 3: Cross multiply
    13,631,464.40x = 20,463,785.40 × 6,896,411.60
  4. Step 4: Simplify right side
    13,631,464.40x = 141,126,687,012,470.62
  5. Step 5: Solve for x
    x = 141,126,687,012,470.62/13,631,464.40
  6. Step 6: Final answer
    x = 10,353,009.98

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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.