Home / 20,176,851.84-30,265,078.32-9,243,940.35

Finding the Fourth Proportional to 20,176,851.84, 30,265,078.32 and 9,243,940.35

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Solution

The fourth proportional to 20,176,851.84, 30,265,078.32 and 9,243,940.35 is: 13,865,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176,851.84 : 30,265,078.32 = 9,243,940.35 : x
  2. Step 2: Convert to fraction form
    20,176,851.84/30,265,078.32 = 9,243,940.35/x
  3. Step 3: Cross multiply
    20,176,851.84x = 30,265,078.32 × 9,243,940.35
  4. Step 4: Simplify right side
    20,176,851.84x = 279,768,578,678,158.22
  5. Step 5: Solve for x
    x = 279,768,578,678,158.22/20,176,851.84
  6. Step 6: Final answer
    x = 13,865,819.15

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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.