Home / 10,390,628.30-14,339,509.89-5,806,949.54

Finding the Fourth Proportional to 10,390,628.30, 14,339,509.89 and 5,806,949.54

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Solution

The fourth proportional to 10,390,628.30, 14,339,509.89 and 5,806,949.54 is: 8,013,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390,628.30 : 14,339,509.89 = 5,806,949.54 : x
  2. Step 2: Convert to fraction form
    10,390,628.30/14,339,509.89 = 5,806,949.54/x
  3. Step 3: Cross multiply
    10,390,628.30x = 14,339,509.89 × 5,806,949.54
  4. Step 4: Simplify right side
    10,390,628.30x = 83,268,810,359,560.95
  5. Step 5: Solve for x
    x = 83,268,810,359,560.95/10,390,628.30
  6. Step 6: Final answer
    x = 8,013,837.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.