Home / 9,898,867.56-13,662,353.14-6,455,129.88

Finding the Fourth Proportional to 9,898,867.56, 13,662,353.14 and 6,455,129.88

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Solution

The fourth proportional to 9,898,867.56, 13,662,353.14 and 6,455,129.88 is: 8,909,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898,867.56 : 13,662,353.14 = 6,455,129.88 : x
  2. Step 2: Convert to fraction form
    9,898,867.56/13,662,353.14 = 6,455,129.88/x
  3. Step 3: Cross multiply
    9,898,867.56x = 13,662,353.14 × 6,455,129.88
  4. Step 4: Simplify right side
    9,898,867.56x = 88,192,263,985,125.83
  5. Step 5: Solve for x
    x = 88,192,263,985,125.83/9,898,867.56
  6. Step 6: Final answer
    x = 8,909,328.61

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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.