Home / 16,913,181.51-23,340,190.64-9,178,223.82

Finding the Fourth Proportional to 16,913,181.51, 23,340,190.64 and 9,178,223.82

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Solution

The fourth proportional to 16,913,181.51, 23,340,190.64 and 9,178,223.82 is: 12,665,948.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913,181.51 : 23,340,190.64 = 9,178,223.82 : x
  2. Step 2: Convert to fraction form
    16,913,181.51/23,340,190.64 = 9,178,223.82/x
  3. Step 3: Cross multiply
    16,913,181.51x = 23,340,190.64 × 9,178,223.82
  4. Step 4: Simplify right side
    16,913,181.51x = 214,221,493,695,389.06
  5. Step 5: Solve for x
    x = 214,221,493,695,389.06/16,913,181.51
  6. Step 6: Final answer
    x = 12,665,948.96

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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.