Home / 28,089,116.20-42,165,167.10-21,727,570.60

Finding the Fourth Proportional to 28,089,116.20, 42,165,167.10 and 21,727,570.60

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Solution

The fourth proportional to 28,089,116.20, 42,165,167.10 and 21,727,570.60 is: 32,615,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089,116.20 : 42,165,167.10 = 21,727,570.60 : x
  2. Step 2: Convert to fraction form
    28,089,116.20/42,165,167.10 = 21,727,570.60/x
  3. Step 3: Cross multiply
    28,089,116.20x = 42,165,167.10 × 21,727,570.60
  4. Step 4: Simplify right side
    28,089,116.20x = 916,146,645,026,047.38
  5. Step 5: Solve for x
    x = 916,146,645,026,047.38/28,089,116.20
  6. Step 6: Final answer
    x = 32,615,716.30

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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.