Home / 6,624,738.83-9,141,509.70-3,872,071.28

Finding the Fourth Proportional to 6,624,738.83, 9,141,509.70 and 3,872,071.28

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Solution

The fourth proportional to 6,624,738.83, 9,141,509.70 and 3,872,071.28 is: 5,343,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624,738.83 : 9,141,509.70 = 3,872,071.28 : x
  2. Step 2: Convert to fraction form
    6,624,738.83/9,141,509.70 = 3,872,071.28/x
  3. Step 3: Cross multiply
    6,624,738.83x = 9,141,509.70 × 3,872,071.28
  4. Step 4: Simplify right side
    6,624,738.83x = 35,396,577,119,503.87
  5. Step 5: Solve for x
    x = 35,396,577,119,503.87/6,624,738.83
  6. Step 6: Final answer
    x = 5,343,090.20

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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.