Home / 7,391,858.00-10,200,655.46-4,128,720.35

Finding the Fourth Proportional to 7,391,858.00, 10,200,655.46 and 4,128,720.35

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Solution

The fourth proportional to 7,391,858.00, 10,200,655.46 and 4,128,720.35 is: 5,697,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391,858.00 : 10,200,655.46 = 4,128,720.35 : x
  2. Step 2: Convert to fraction form
    7,391,858.00/10,200,655.46 = 4,128,720.35/x
  3. Step 3: Cross multiply
    7,391,858.00x = 10,200,655.46 × 4,128,720.35
  4. Step 4: Simplify right side
    7,391,858.00x = 42,115,653,709,393.73
  5. Step 5: Solve for x
    x = 42,115,653,709,393.73/7,391,858.00
  6. Step 6: Final answer
    x = 5,697,573.43

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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.