Home / 20,559,942.40-30,839,913.60-18,796,345.60

Finding the Fourth Proportional to 20,559,942.40, 30,839,913.60 and 18,796,345.60

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Solution

The fourth proportional to 20,559,942.40, 30,839,913.60 and 18,796,345.60 is: 28,194,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559,942.40 : 30,839,913.60 = 18,796,345.60 : x
  2. Step 2: Convert to fraction form
    20,559,942.40/30,839,913.60 = 18,796,345.60/x
  3. Step 3: Cross multiply
    20,559,942.40x = 30,839,913.60 × 18,796,345.60
  4. Step 4: Simplify right side
    20,559,942.40x = 579,677,674,299,740.25
  5. Step 5: Solve for x
    x = 579,677,674,299,740.25/20,559,942.40
  6. Step 6: Final answer
    x = 28,194,518.40

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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.