Home / 12,763,577.30-19,145,532.53-4,243,913.73

Finding the Fourth Proportional to 12,763,577.30, 19,145,532.53 and 4,243,913.73

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Solution

The fourth proportional to 12,763,577.30, 19,145,532.53 and 4,243,913.73 is: 6,365,925.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,577.30 : 19,145,532.53 = 4,243,913.73 : x
  2. Step 2: Convert to fraction form
    12,763,577.30/19,145,532.53 = 4,243,913.73/x
  3. Step 3: Cross multiply
    12,763,577.30x = 19,145,532.53 × 4,243,913.73
  4. Step 4: Simplify right side
    12,763,577.30x = 81,251,988,382,838.42
  5. Step 5: Solve for x
    x = 81,251,988,382,838.42/12,763,577.30
  6. Step 6: Final answer
    x = 6,365,925.99

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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.