Home / 7,456,121.56-10,289,506.98-4,148,463.88

Finding the Fourth Proportional to 7,456,121.56, 10,289,506.98 and 4,148,463.88

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Solution

The fourth proportional to 7,456,121.56, 10,289,506.98 and 4,148,463.88 is: 5,724,913.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456,121.56 : 10,289,506.98 = 4,148,463.88 : x
  2. Step 2: Convert to fraction form
    7,456,121.56/10,289,506.98 = 4,148,463.88/x
  3. Step 3: Cross multiply
    7,456,121.56x = 10,289,506.98 × 4,148,463.88
  4. Step 4: Simplify right side
    7,456,121.56x = 42,685,648,049,537.88
  5. Step 5: Solve for x
    x = 42,685,648,049,537.88/7,456,121.56
  6. Step 6: Final answer
    x = 5,724,913.11

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1.5x scale

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.