Home / 18,993,069.80-26,210,459.48-10,291,235.55

Finding the Fourth Proportional to 18,993,069.80, 26,210,459.48 and 10,291,235.55

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Solution

The fourth proportional to 18,993,069.80, 26,210,459.48 and 10,291,235.55 is: 14,201,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,993,069.80 : 26,210,459.48 = 10,291,235.55 : x
  2. Step 2: Convert to fraction form
    18,993,069.80/26,210,459.48 = 10,291,235.55/x
  3. Step 3: Cross multiply
    18,993,069.80x = 26,210,459.48 × 10,291,235.55
  4. Step 4: Simplify right side
    18,993,069.80x = 269,738,012,382,410.53
  5. Step 5: Solve for x
    x = 269,738,012,382,410.53/18,993,069.80
  6. Step 6: Final answer
    x = 14,201,917.61

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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.