Home / 9,528,972.08-13,149,971.46-5,178,048.03

Finding the Fourth Proportional to 9,528,972.08, 13,149,971.46 and 5,178,048.03

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Solution

The fourth proportional to 9,528,972.08, 13,149,971.46 and 5,178,048.03 is: 7,145,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528,972.08 : 13,149,971.46 = 5,178,048.03 : x
  2. Step 2: Convert to fraction form
    9,528,972.08/13,149,971.46 = 5,178,048.03/x
  3. Step 3: Cross multiply
    9,528,972.08x = 13,149,971.46 × 5,178,048.03
  4. Step 4: Simplify right side
    9,528,972.08x = 68,091,183,813,009.23
  5. Step 5: Solve for x
    x = 68,091,183,813,009.23/9,528,972.08
  6. Step 6: Final answer
    x = 7,145,700.85

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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.