Home / 9,898,865.55-13,662,350.37-6,455,127.87

Finding the Fourth Proportional to 9,898,865.55, 13,662,350.37 and 6,455,127.87

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Solution

The fourth proportional to 9,898,865.55, 13,662,350.37 and 6,455,127.87 is: 8,909,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898,865.55 : 13,662,350.37 = 6,455,127.87 : x
  2. Step 2: Convert to fraction form
    9,898,865.55/13,662,350.37 = 6,455,127.87/x
  3. Step 3: Cross multiply
    9,898,865.55x = 13,662,350.37 × 6,455,127.87
  4. Step 4: Simplify right side
    9,898,865.55x = 88,192,218,643,091.81
  5. Step 5: Solve for x
    x = 88,192,218,643,091.81/9,898,865.55
  6. Step 6: Final answer
    x = 8,909,325.84

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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.