Home / 20,848,168.65-28,771,534.64-12,024,338.51

Finding the Fourth Proportional to 20,848,168.65, 28,771,534.64 and 12,024,338.51

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Solution

The fourth proportional to 20,848,168.65, 28,771,534.64 and 12,024,338.51 is: 16,594,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848,168.65 : 28,771,534.64 = 12,024,338.51 : x
  2. Step 2: Convert to fraction form
    20,848,168.65/28,771,534.64 = 12,024,338.51/x
  3. Step 3: Cross multiply
    20,848,168.65x = 28,771,534.64 × 12,024,338.51
  4. Step 4: Simplify right side
    20,848,168.65x = 345,958,671,963,551
  5. Step 5: Solve for x
    x = 345,958,671,963,551/20,848,168.65
  6. Step 6: Final answer
    x = 16,594,199.60

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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.