Home / 13,557,730.50-20,334,351.27-4,459,941.72

Finding the Fourth Proportional to 13,557,730.50, 20,334,351.27 and 4,459,941.72

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Solution

The fourth proportional to 13,557,730.50, 20,334,351.27 and 4,459,941.72 is: 6,689,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557,730.50 : 20,334,351.27 = 4,459,941.72 : x
  2. Step 2: Convert to fraction form
    13,557,730.50/20,334,351.27 = 4,459,941.72/x
  3. Step 3: Cross multiply
    13,557,730.50x = 20,334,351.27 × 4,459,941.72
  4. Step 4: Simplify right side
    13,557,730.50x = 90,690,021,578,207.98
  5. Step 5: Solve for x
    x = 90,690,021,578,207.98/13,557,730.50
  6. Step 6: Final answer
    x = 6,689,174.24

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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.