Home / 40,297,298.94-60,445,911.48-12,631,415.42

Finding the Fourth Proportional to 40,297,298.94, 60,445,911.48 and 12,631,415.42

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Solution

The fourth proportional to 40,297,298.94, 60,445,911.48 and 12,631,415.42 is: 18,947,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,297,298.94 : 60,445,911.48 = 12,631,415.42 : x
  2. Step 2: Convert to fraction form
    40,297,298.94/60,445,911.48 = 12,631,415.42/x
  3. Step 3: Cross multiply
    40,297,298.94x = 60,445,911.48 × 12,631,415.42
  4. Step 4: Simplify right side
    40,297,298.94x = 763,517,418,042,197.38
  5. Step 5: Solve for x
    x = 763,517,418,042,197.38/40,297,298.94
  6. Step 6: Final answer
    x = 18,947,111.55

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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.