Home / 7,578,257.67-10,457,873.55-4,140,424.89

Finding the Fourth Proportional to 7,578,257.67, 10,457,873.55 and 4,140,424.89

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Solution

The fourth proportional to 7,578,257.67, 10,457,873.55 and 4,140,424.89 is: 5,713,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578,257.67 : 10,457,873.55 = 4,140,424.89 : x
  2. Step 2: Convert to fraction form
    7,578,257.67/10,457,873.55 = 4,140,424.89/x
  3. Step 3: Cross multiply
    7,578,257.67x = 10,457,873.55 × 4,140,424.89
  4. Step 4: Simplify right side
    7,578,257.67x = 43,300,039,942,892.66
  5. Step 5: Solve for x
    x = 43,300,039,942,892.66/7,578,257.67
  6. Step 6: Final answer
    x = 5,713,719.67

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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.