Home / 7,254,009.52-10,010,533.08-3,990,754.22

Finding the Fourth Proportional to 7,254,009.52, 10,010,533.08 and 3,990,754.22

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Solution

The fourth proportional to 7,254,009.52, 10,010,533.08 and 3,990,754.22 is: 5,507,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,009.52 : 10,010,533.08 = 3,990,754.22 : x
  2. Step 2: Convert to fraction form
    7,254,009.52/10,010,533.08 = 3,990,754.22/x
  3. Step 3: Cross multiply
    7,254,009.52x = 10,010,533.08 × 3,990,754.22
  4. Step 4: Simplify right side
    7,254,009.52x = 39,949,577,133,459.60
  5. Step 5: Solve for x
    x = 39,949,577,133,459.60/7,254,009.52
  6. Step 6: Final answer
    x = 5,507,240.79

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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.