Home / 12,143,007.84-16,757,697.60-6,636,688.32

Finding the Fourth Proportional to 12,143,007.84, 16,757,697.60 and 6,636,688.32

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Solution

The fourth proportional to 12,143,007.84, 16,757,697.60 and 6,636,688.32 is: 9,158,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,143,007.84 : 16,757,697.60 = 6,636,688.32 : x
  2. Step 2: Convert to fraction form
    12,143,007.84/16,757,697.60 = 6,636,688.32/x
  3. Step 3: Cross multiply
    12,143,007.84x = 16,757,697.60 × 6,636,688.32
  4. Step 4: Simplify right side
    12,143,007.84x = 111,215,615,932,012.03
  5. Step 5: Solve for x
    x = 111,215,615,932,012.03/12,143,007.84
  6. Step 6: Final answer
    x = 9,158,819.41

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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.