Home / 13,153,043.90-19,729,121.16-4,633,157.72

Finding the Fourth Proportional to 13,153,043.90, 19,729,121.16 and 4,633,157.72

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Solution

The fourth proportional to 13,153,043.90, 19,729,121.16 and 4,633,157.72 is: 6,949,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,043.90 : 19,729,121.16 = 4,633,157.72 : x
  2. Step 2: Convert to fraction form
    13,153,043.90/19,729,121.16 = 4,633,157.72/x
  3. Step 3: Cross multiply
    13,153,043.90x = 19,729,121.16 × 4,633,157.72
  4. Step 4: Simplify right side
    13,153,043.90x = 91,408,130,011,269.34
  5. Step 5: Solve for x
    x = 91,408,130,011,269.34/13,153,043.90
  6. Step 6: Final answer
    x = 6,949,579.94

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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.