Home / 12,208,047.70-18,314,987.55-3,688,467.70

Finding the Fourth Proportional to 12,208,047.70, 18,314,987.55 and 3,688,467.70

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Solution

The fourth proportional to 12,208,047.70, 18,314,987.55 and 3,688,467.70 is: 5,533,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208,047.70 : 18,314,987.55 = 3,688,467.70 : x
  2. Step 2: Convert to fraction form
    12,208,047.70/18,314,987.55 = 3,688,467.70/x
  3. Step 3: Cross multiply
    12,208,047.70x = 18,314,987.55 × 3,688,467.70
  4. Step 4: Simplify right side
    12,208,047.70x = 67,554,240,004,077.14
  5. Step 5: Solve for x
    x = 67,554,240,004,077.14/12,208,047.70
  6. Step 6: Final answer
    x = 5,533,582.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.