Home / 13,709,929.05-20,544,685.65-7,636,299.57

Finding the Fourth Proportional to 13,709,929.05, 20,544,685.65 and 7,636,299.57

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Solution

The fourth proportional to 13,709,929.05, 20,544,685.65 and 7,636,299.57 is: 11,443,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,929.05 : 20,544,685.65 = 7,636,299.57 : x
  2. Step 2: Convert to fraction form
    13,709,929.05/20,544,685.65 = 7,636,299.57/x
  3. Step 3: Cross multiply
    13,709,929.05x = 20,544,685.65 × 7,636,299.57
  4. Step 4: Simplify right side
    13,709,929.05x = 156,885,374,194,880.16
  5. Step 5: Solve for x
    x = 156,885,374,194,880.16/13,709,929.05
  6. Step 6: Final answer
    x = 11,443,193.73

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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.