Home / 10,507,890.40-15,760,669.20-2,935,621.60

Finding the Fourth Proportional to 10,507,890.40, 15,760,669.20 and 2,935,621.60

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Solution

The fourth proportional to 10,507,890.40, 15,760,669.20 and 2,935,621.60 is: 4,403,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507,890.40 : 15,760,669.20 = 2,935,621.60 : x
  2. Step 2: Convert to fraction form
    10,507,890.40/15,760,669.20 = 2,935,621.60/x
  3. Step 3: Cross multiply
    10,507,890.40x = 15,760,669.20 × 2,935,621.60
  4. Step 4: Simplify right side
    10,507,890.40x = 46,267,360,933,974.72
  5. Step 5: Solve for x
    x = 46,267,360,933,974.72/10,507,890.40
  6. Step 6: Final answer
    x = 4,403,106.54

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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.