Home / 7,438,237.20-11,163,916.80-4,401,806.40

Finding the Fourth Proportional to 7,438,237.20, 11,163,916.80 and 4,401,806.40

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Solution

The fourth proportional to 7,438,237.20, 11,163,916.80 and 4,401,806.40 is: 6,606,592.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,237.20 : 11,163,916.80 = 4,401,806.40 : x
  2. Step 2: Convert to fraction form
    7,438,237.20/11,163,916.80 = 4,401,806.40/x
  3. Step 3: Cross multiply
    7,438,237.20x = 11,163,916.80 × 4,401,806.40
  4. Step 4: Simplify right side
    7,438,237.20x = 49,141,400,419,307.53
  5. Step 5: Solve for x
    x = 49,141,400,419,307.53/7,438,237.20
  6. Step 6: Final answer
    x = 6,606,592.27

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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.