Home / 15,401,923.88-23,114,189.25-12,405,468.47

Finding the Fourth Proportional to 15,401,923.88, 23,114,189.25 and 12,405,468.47

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Solution

The fourth proportional to 15,401,923.88, 23,114,189.25 and 12,405,468.47 is: 18,617,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,923.88 : 23,114,189.25 = 12,405,468.47 : x
  2. Step 2: Convert to fraction form
    15,401,923.88/23,114,189.25 = 12,405,468.47/x
  3. Step 3: Cross multiply
    15,401,923.88x = 23,114,189.25 × 12,405,468.47
  4. Step 4: Simplify right side
    15,401,923.88x = 286,742,345,834,917
  5. Step 5: Solve for x
    x = 286,742,345,834,917/15,401,923.88
  6. Step 6: Final answer
    x = 18,617,307.04

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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.