Home / 18,865,330.60-28,283,999.10-6,078,476.20

Finding the Fourth Proportional to 18,865,330.60, 28,283,999.10 and 6,078,476.20

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Solution

The fourth proportional to 18,865,330.60, 28,283,999.10 and 6,078,476.20 is: 9,113,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865,330.60 : 28,283,999.10 = 6,078,476.20 : x
  2. Step 2: Convert to fraction form
    18,865,330.60/28,283,999.10 = 6,078,476.20/x
  3. Step 3: Cross multiply
    18,865,330.60x = 28,283,999.10 × 6,078,476.20
  4. Step 4: Simplify right side
    18,865,330.60x = 171,923,615,370,171.44
  5. Step 5: Solve for x
    x = 171,923,615,370,171.44/18,865,330.60
  6. Step 6: Final answer
    x = 9,113,204.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.