Home / 9,905,982.64-13,664,465.10-6,229,078

Finding the Fourth Proportional to 9,905,982.64, 13,664,465.10 and 6,229,078

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Solution

The fourth proportional to 9,905,982.64, 13,664,465.10 and 6,229,078 is: 8,592,486.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905,982.64 : 13,664,465.10 = 6,229,078 : x
  2. Step 2: Convert to fraction form
    9,905,982.64/13,664,465.10 = 6,229,078/x
  3. Step 3: Cross multiply
    9,905,982.64x = 13,664,465.10 × 6,229,078
  4. Step 4: Simplify right side
    9,905,982.64x = 85,117,018,936,177.80
  5. Step 5: Solve for x
    x = 85,117,018,936,177.80/9,905,982.64
  6. Step 6: Final answer
    x = 8,592,486.18

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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.