Home / 12,066,160.62-18,075,007.65-5,580,144.60

Finding the Fourth Proportional to 12,066,160.62, 18,075,007.65 and 5,580,144.60

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Solution

The fourth proportional to 12,066,160.62, 18,075,007.65 and 5,580,144.60 is: 8,359,009.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066,160.62 : 18,075,007.65 = 5,580,144.60 : x
  2. Step 2: Convert to fraction form
    12,066,160.62/18,075,007.65 = 5,580,144.60/x
  3. Step 3: Cross multiply
    12,066,160.62x = 18,075,007.65 × 5,580,144.60
  4. Step 4: Simplify right side
    12,066,160.62x = 100,861,156,333,106.17
  5. Step 5: Solve for x
    x = 100,861,156,333,106.17/12,066,160.62
  6. Step 6: Final answer
    x = 8,359,009.92

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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.