Home / 7,456,074.87-10,289,443.05-4,148,416.92

Finding the Fourth Proportional to 7,456,074.87, 10,289,443.05 and 4,148,416.92

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Solution

The fourth proportional to 7,456,074.87, 10,289,443.05 and 4,148,416.92 is: 5,724,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456,074.87 : 10,289,443.05 = 4,148,416.92 : x
  2. Step 2: Convert to fraction form
    7,456,074.87/10,289,443.05 = 4,148,416.92/x
  3. Step 3: Cross multiply
    7,456,074.87x = 10,289,443.05 × 4,148,416.92
  4. Step 4: Simplify right side
    7,456,074.87x = 42,684,899,645,996.41
  5. Step 5: Solve for x
    x = 42,684,899,645,996.41/7,456,074.87
  6. Step 6: Final answer
    x = 5,724,848.58

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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.