Home / 9,120,189.44-12,585,767.52-5,045,837.60

Finding the Fourth Proportional to 9,120,189.44, 12,585,767.52 and 5,045,837.60

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Solution

The fourth proportional to 9,120,189.44, 12,585,767.52 and 5,045,837.60 is: 6,963,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120,189.44 : 12,585,767.52 = 5,045,837.60 : x
  2. Step 2: Convert to fraction form
    9,120,189.44/12,585,767.52 = 5,045,837.60/x
  3. Step 3: Cross multiply
    9,120,189.44x = 12,585,767.52 × 5,045,837.60
  4. Step 4: Simplify right side
    9,120,189.44x = 63,505,738,977,274.74
  5. Step 5: Solve for x
    x = 63,505,738,977,274.74/9,120,189.44
  6. Step 6: Final answer
    x = 6,963,203.93

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1.5x scale

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.