Home / 12,916,732.48-19,374,744.20-5,630,187.76

Finding the Fourth Proportional to 12,916,732.48, 19,374,744.20 and 5,630,187.76

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Solution

The fourth proportional to 12,916,732.48, 19,374,744.20 and 5,630,187.76 is: 8,445,127.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916,732.48 : 19,374,744.20 = 5,630,187.76 : x
  2. Step 2: Convert to fraction form
    12,916,732.48/19,374,744.20 = 5,630,187.76/x
  3. Step 3: Cross multiply
    12,916,732.48x = 19,374,744.20 × 5,630,187.76
  4. Step 4: Simplify right side
    12,916,732.48x = 109,083,447,647,970.98
  5. Step 5: Solve for x
    x = 109,083,447,647,970.98/12,916,732.48
  6. Step 6: Final answer
    x = 8,445,127.11

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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.