Home / 6,900,016.95-9,515,564.64-5,453,168.85

Finding the Fourth Proportional to 6,900,016.95, 9,515,564.64 and 5,453,168.85

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Solution

The fourth proportional to 6,900,016.95, 9,515,564.64 and 5,453,168.85 is: 7,520,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900,016.95 : 9,515,564.64 = 5,453,168.85 : x
  2. Step 2: Convert to fraction form
    6,900,016.95/9,515,564.64 = 5,453,168.85/x
  3. Step 3: Cross multiply
    6,900,016.95x = 9,515,564.64 × 5,453,168.85
  4. Step 4: Simplify right side
    6,900,016.95x = 51,889,980,685,009.46
  5. Step 5: Solve for x
    x = 51,889,980,685,009.46/6,900,016.95
  6. Step 6: Final answer
    x = 7,520,268.58

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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.