Home / 13,582,242.24-18,743,099.40-7,470,669.12

Finding the Fourth Proportional to 13,582,242.24, 18,743,099.40 and 7,470,669.12

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Solution

The fourth proportional to 13,582,242.24, 18,743,099.40 and 7,470,669.12 is: 10,309,306.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,242.24 : 18,743,099.40 = 7,470,669.12 : x
  2. Step 2: Convert to fraction form
    13,582,242.24/18,743,099.40 = 7,470,669.12/x
  3. Step 3: Cross multiply
    13,582,242.24x = 18,743,099.40 × 7,470,669.12
  4. Step 4: Simplify right side
    13,582,242.24x = 140,023,493,900,670.52
  5. Step 5: Solve for x
    x = 140,023,493,900,670.52/13,582,242.24
  6. Step 6: Final answer
    x = 10,309,306.18

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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.