Home / 14,501,069.37-20,011,017.68-7,974,678.65

Finding the Fourth Proportional to 14,501,069.37, 20,011,017.68 and 7,974,678.65

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Solution

The fourth proportional to 14,501,069.37, 20,011,017.68 and 7,974,678.65 is: 11,004,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501,069.37 : 20,011,017.68 = 7,974,678.65 : x
  2. Step 2: Convert to fraction form
    14,501,069.37/20,011,017.68 = 7,974,678.65/x
  3. Step 3: Cross multiply
    14,501,069.37x = 20,011,017.68 × 7,974,678.65
  4. Step 4: Simplify right side
    14,501,069.37x = 159,581,435,317,540.06
  5. Step 5: Solve for x
    x = 159,581,435,317,540.06/14,501,069.37
  6. Step 6: Final answer
    x = 11,004,804.63

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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.