Home / 7,176,763.34-9,904,172.58-3,913,756.64

Finding the Fourth Proportional to 7,176,763.34, 9,904,172.58 and 3,913,756.64

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Solution

The fourth proportional to 7,176,763.34, 9,904,172.58 and 3,913,756.64 is: 5,401,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,763.34 : 9,904,172.58 = 3,913,756.64 : x
  2. Step 2: Convert to fraction form
    7,176,763.34/9,904,172.58 = 3,913,756.64/x
  3. Step 3: Cross multiply
    7,176,763.34x = 9,904,172.58 × 3,913,756.64
  4. Step 4: Simplify right side
    7,176,763.34x = 38,762,521,198,680.93
  5. Step 5: Solve for x
    x = 38,762,521,198,680.93/7,176,763.34
  6. Step 6: Final answer
    x = 5,401,114.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.