Home / 9,207,090.90-13,812,055.38-3,140,405.28

Finding the Fourth Proportional to 9,207,090.90, 13,812,055.38 and 3,140,405.28

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Solution

The fourth proportional to 9,207,090.90, 13,812,055.38 and 3,140,405.28 is: 4,711,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207,090.90 : 13,812,055.38 = 3,140,405.28 : x
  2. Step 2: Convert to fraction form
    9,207,090.90/13,812,055.38 = 3,140,405.28/x
  3. Step 3: Cross multiply
    9,207,090.90x = 13,812,055.38 × 3,140,405.28
  4. Step 4: Simplify right side
    9,207,090.90x = 43,375,451,643,004.41
  5. Step 5: Solve for x
    x = 43,375,451,643,004.41/9,207,090.90
  6. Step 6: Final answer
    x = 4,711,091.93

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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.