Home / 9,898,921.70-13,662,427.74-6,455,184.02

Finding the Fourth Proportional to 9,898,921.70, 13,662,427.74 and 6,455,184.02

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Solution

The fourth proportional to 9,898,921.70, 13,662,427.74 and 6,455,184.02 is: 8,909,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898,921.70 : 13,662,427.74 = 6,455,184.02 : x
  2. Step 2: Convert to fraction form
    9,898,921.70/13,662,427.74 = 6,455,184.02/x
  3. Step 3: Cross multiply
    9,898,921.70x = 13,662,427.74 × 6,455,184.02
  4. Step 4: Simplify right side
    9,898,921.70x = 88,193,485,221,652.70
  5. Step 5: Solve for x
    x = 88,193,485,221,652.70/9,898,921.70
  6. Step 6: Final answer
    x = 8,909,403.26

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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.