Home / 13,211,375.40-19,812,308.81-4,573,128.78

Finding the Fourth Proportional to 13,211,375.40, 19,812,308.81 and 4,573,128.78

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Solution

The fourth proportional to 13,211,375.40, 19,812,308.81 and 4,573,128.78 is: 6,858,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211,375.40 : 19,812,308.81 = 4,573,128.78 : x
  2. Step 2: Convert to fraction form
    13,211,375.40/19,812,308.81 = 4,573,128.78/x
  3. Step 3: Cross multiply
    13,211,375.40x = 19,812,308.81 × 4,573,128.78
  4. Step 4: Simplify right side
    13,211,375.40x = 90,604,239,594,392.91
  5. Step 5: Solve for x
    x = 90,604,239,594,392.91/13,211,375.40
  6. Step 6: Final answer
    x = 6,858,047.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.