Home / 21,353,080.40-32,029,620.60-20,093,368.40

Finding the Fourth Proportional to 21,353,080.40, 32,029,620.60 and 20,093,368.40

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Solution

The fourth proportional to 21,353,080.40, 32,029,620.60 and 20,093,368.40 is: 30,140,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,080.40 : 32,029,620.60 = 20,093,368.40 : x
  2. Step 2: Convert to fraction form
    21,353,080.40/32,029,620.60 = 20,093,368.40/x
  3. Step 3: Cross multiply
    21,353,080.40x = 32,029,620.60 × 20,093,368.40
  4. Step 4: Simplify right side
    21,353,080.40x = 643,582,966,428,029
  5. Step 5: Solve for x
    x = 643,582,966,428,029/21,353,080.40
  6. Step 6: Final answer
    x = 30,140,052.60

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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.