Home / 13,022,142.23-19,537,278.74-7,840,431.83

Finding the Fourth Proportional to 13,022,142.23, 19,537,278.74 and 7,840,431.83

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Solution

The fourth proportional to 13,022,142.23, 19,537,278.74 and 7,840,431.83 is: 11,763,095.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022,142.23 : 19,537,278.74 = 7,840,431.83 : x
  2. Step 2: Convert to fraction form
    13,022,142.23/19,537,278.74 = 7,840,431.83/x
  3. Step 3: Cross multiply
    13,022,142.23x = 19,537,278.74 × 7,840,431.83
  4. Step 4: Simplify right side
    13,022,142.23x = 153,180,702,104,678.28
  5. Step 5: Solve for x
    x = 153,180,702,104,678.28/13,022,142.23
  6. Step 6: Final answer
    x = 11,763,095.46

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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.