Home / 13,698,608.40-18,904,218.51-8,265,050.64

Finding the Fourth Proportional to 13,698,608.40, 18,904,218.51 and 8,265,050.64

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Solution

The fourth proportional to 13,698,608.40, 18,904,218.51 and 8,265,050.64 is: 11,405,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,608.40 : 18,904,218.51 = 8,265,050.64 : x
  2. Step 2: Convert to fraction form
    13,698,608.40/18,904,218.51 = 8,265,050.64/x
  3. Step 3: Cross multiply
    13,698,608.40x = 18,904,218.51 × 8,265,050.64
  4. Step 4: Simplify right side
    13,698,608.40x = 156,244,323,294,775.34
  5. Step 5: Solve for x
    x = 156,244,323,294,775.34/13,698,608.40
  6. Step 6: Final answer
    x = 11,405,853.70

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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.