Home / 7,269,421.31-10,030,039.56-4,128,986.37

Finding the Fourth Proportional to 7,269,421.31, 10,030,039.56 and 4,128,986.37

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Solution

The fourth proportional to 7,269,421.31, 10,030,039.56 and 4,128,986.37 is: 5,697,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269,421.31 : 10,030,039.56 = 4,128,986.37 : x
  2. Step 2: Convert to fraction form
    7,269,421.31/10,030,039.56 = 4,128,986.37/x
  3. Step 3: Cross multiply
    7,269,421.31x = 10,030,039.56 × 4,128,986.37
  4. Step 4: Simplify right side
    7,269,421.31x = 41,413,896,633,800.80
  5. Step 5: Solve for x
    x = 41,413,896,633,800.80/7,269,421.31
  6. Step 6: Final answer
    x = 5,697,000.48

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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.