Home / 12,763,578.77-19,145,534.75-4,243,915.23

Finding the Fourth Proportional to 12,763,578.77, 19,145,534.75 and 4,243,915.23

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Solution

The fourth proportional to 12,763,578.77, 19,145,534.75 and 4,243,915.23 is: 6,365,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,578.77 : 19,145,534.75 = 4,243,915.23 : x
  2. Step 2: Convert to fraction form
    12,763,578.77/19,145,534.75 = 4,243,915.23/x
  3. Step 3: Cross multiply
    12,763,578.77x = 19,145,534.75 × 4,243,915.23
  4. Step 4: Simplify right side
    12,763,578.77x = 81,252,026,490,799.67
  5. Step 5: Solve for x
    x = 81,252,026,490,799.67/12,763,578.77
  6. Step 6: Final answer
    x = 6,365,928.24

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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.