Home / 21,353,891.60-32,030,837.40-5,397,539.60

Finding the Fourth Proportional to 21,353,891.60, 32,030,837.40 and 5,397,539.60

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Solution

The fourth proportional to 21,353,891.60, 32,030,837.40 and 5,397,539.60 is: 8,096,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,891.60 : 32,030,837.40 = 5,397,539.60 : x
  2. Step 2: Convert to fraction form
    21,353,891.60/32,030,837.40 = 5,397,539.60/x
  3. Step 3: Cross multiply
    21,353,891.60x = 32,030,837.40 × 5,397,539.60
  4. Step 4: Simplify right side
    21,353,891.60x = 172,887,713,287,661.03
  5. Step 5: Solve for x
    x = 172,887,713,287,661.03/21,353,891.60
  6. Step 6: Final answer
    x = 8,096,309.40

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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.