Home / 10,400,530.80-15,582,133.80-8,907,538.80

Finding the Fourth Proportional to 10,400,530.80, 15,582,133.80 and 8,907,538.80

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Solution

The fourth proportional to 10,400,530.80, 15,582,133.80 and 8,907,538.80 is: 13,345,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,530.80 : 15,582,133.80 = 8,907,538.80 : x
  2. Step 2: Convert to fraction form
    10,400,530.80/15,582,133.80 = 8,907,538.80/x
  3. Step 3: Cross multiply
    10,400,530.80x = 15,582,133.80 × 8,907,538.80
  4. Step 4: Simplify right side
    10,400,530.80x = 138,798,461,410,291.45
  5. Step 5: Solve for x
    x = 138,798,461,410,291.45/10,400,530.80
  6. Step 6: Final answer
    x = 13,345,324.78

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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.