Home / 9,161,420.12-12,639,924.60-5,292,529.64

Finding the Fourth Proportional to 9,161,420.12, 12,639,924.60 and 5,292,529.64

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Solution

The fourth proportional to 9,161,420.12, 12,639,924.60 and 5,292,529.64 is: 7,302,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161,420.12 : 12,639,924.60 = 5,292,529.64 : x
  2. Step 2: Convert to fraction form
    9,161,420.12/12,639,924.60 = 5,292,529.64/x
  3. Step 3: Cross multiply
    9,161,420.12x = 12,639,924.60 × 5,292,529.64
  4. Step 4: Simplify right side
    9,161,420.12x = 66,897,175,592,865.14
  5. Step 5: Solve for x
    x = 66,897,175,592,865.14/9,161,420.12
  6. Step 6: Final answer
    x = 7,302,053.04

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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.