Home / 21,780,003.60-32,670,005.40-20,079,392.40

Finding the Fourth Proportional to 21,780,003.60, 32,670,005.40 and 20,079,392.40

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Solution

The fourth proportional to 21,780,003.60, 32,670,005.40 and 20,079,392.40 is: 30,119,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,780,003.60 : 32,670,005.40 = 20,079,392.40 : x
  2. Step 2: Convert to fraction form
    21,780,003.60/32,670,005.40 = 20,079,392.40/x
  3. Step 3: Cross multiply
    21,780,003.60x = 32,670,005.40 × 20,079,392.40
  4. Step 4: Simplify right side
    21,780,003.60x = 655,993,858,136,718.88
  5. Step 5: Solve for x
    x = 655,993,858,136,718.88/21,780,003.60
  6. Step 6: Final answer
    x = 30,119,088.60

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