Home / 21,068,017.20-31,592,694.60-9,702,615.60

Finding the Fourth Proportional to 21,068,017.20, 31,592,694.60 and 9,702,615.60

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Solution

The fourth proportional to 21,068,017.20, 31,592,694.60 and 9,702,615.60 is: 14,549,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068,017.20 : 31,592,694.60 = 9,702,615.60 : x
  2. Step 2: Convert to fraction form
    21,068,017.20/31,592,694.60 = 9,702,615.60/x
  3. Step 3: Cross multiply
    21,068,017.20x = 31,592,694.60 × 9,702,615.60
  4. Step 4: Simplify right side
    21,068,017.20x = 306,531,771,471,995.75
  5. Step 5: Solve for x
    x = 306,531,771,471,995.75/21,068,017.20
  6. Step 6: Final answer
    x = 14,549,626.03

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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.