Home / 12,036,929.40-16,610,960.64-6,880,401.68

Finding the Fourth Proportional to 12,036,929.40, 16,610,960.64 and 6,880,401.68

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Solution

The fourth proportional to 12,036,929.40, 16,610,960.64 and 6,880,401.68 is: 9,494,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036,929.40 : 16,610,960.64 = 6,880,401.68 : x
  2. Step 2: Convert to fraction form
    12,036,929.40/16,610,960.64 = 6,880,401.68/x
  3. Step 3: Cross multiply
    12,036,929.40x = 16,610,960.64 × 6,880,401.68
  4. Step 4: Simplify right side
    12,036,929.40x = 114,290,081,493,869.88
  5. Step 5: Solve for x
    x = 114,290,081,493,869.88/12,036,929.40
  6. Step 6: Final answer
    x = 9,494,953.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.