Home / 12,697,157.36-19,040,862.12-5,405,994.32

Finding the Fourth Proportional to 12,697,157.36, 19,040,862.12 and 5,405,994.32

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Solution

The fourth proportional to 12,697,157.36, 19,040,862.12 and 5,405,994.32 is: 8,106,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697,157.36 : 19,040,862.12 = 5,405,994.32 : x
  2. Step 2: Convert to fraction form
    12,697,157.36/19,040,862.12 = 5,405,994.32/x
  3. Step 3: Cross multiply
    12,697,157.36x = 19,040,862.12 × 5,405,994.32
  4. Step 4: Simplify right side
    12,697,157.36x = 102,934,792,468,623.17
  5. Step 5: Solve for x
    x = 102,934,792,468,623.17/12,697,157.36
  6. Step 6: Final answer
    x = 8,106,916.34

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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.