Home / 7,148,583.40-10,721,838.30-2,099,367.40

Finding the Fourth Proportional to 7,148,583.40, 10,721,838.30 and 2,099,367.40

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Solution

The fourth proportional to 7,148,583.40, 10,721,838.30 and 2,099,367.40 is: 3,148,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,583.40 : 10,721,838.30 = 2,099,367.40 : x
  2. Step 2: Convert to fraction form
    7,148,583.40/10,721,838.30 = 2,099,367.40/x
  3. Step 3: Cross multiply
    7,148,583.40x = 10,721,838.30 × 2,099,367.40
  4. Step 4: Simplify right side
    7,148,583.40x = 22,509,077,795,091.42
  5. Step 5: Solve for x
    x = 22,509,077,795,091.42/7,148,583.40
  6. Step 6: Final answer
    x = 3,148,746.62

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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.