Home / 8,219,939.42-11,343,538.46-4,549,109.13

Finding the Fourth Proportional to 8,219,939.42, 11,343,538.46 and 4,549,109.13

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Solution

The fourth proportional to 8,219,939.42, 11,343,538.46 and 4,549,109.13 is: 6,277,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,939.42 : 11,343,538.46 = 4,549,109.13 : x
  2. Step 2: Convert to fraction form
    8,219,939.42/11,343,538.46 = 4,549,109.13/x
  3. Step 3: Cross multiply
    8,219,939.42x = 11,343,538.46 × 4,549,109.13
  4. Step 4: Simplify right side
    8,219,939.42x = 51,602,994,352,146.59
  5. Step 5: Solve for x
    x = 51,602,994,352,146.59/8,219,939.42
  6. Step 6: Final answer
    x = 6,277,782.81

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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.