Home / 19,800,698.87-29,701,071.99-5,423,890.61

Finding the Fourth Proportional to 19,800,698.87, 29,701,071.99 and 5,423,890.61

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Solution

The fourth proportional to 19,800,698.87, 29,701,071.99 and 5,423,890.61 is: 8,135,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800,698.87 : 29,701,071.99 = 5,423,890.61 : x
  2. Step 2: Convert to fraction form
    19,800,698.87/29,701,071.99 = 5,423,890.61/x
  3. Step 3: Cross multiply
    19,800,698.87x = 29,701,071.99 × 5,423,890.61
  4. Step 4: Simplify right side
    19,800,698.87x = 161,095,365,473,495
  5. Step 5: Solve for x
    x = 161,095,365,473,495/19,800,698.87
  6. Step 6: Final answer
    x = 8,135,842.40

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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.