Home / 8,426,208.35-11,640,071.80-6,705,126.83

Finding the Fourth Proportional to 8,426,208.35, 11,640,071.80 and 6,705,126.83

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Solution

The fourth proportional to 8,426,208.35, 11,640,071.80 and 6,705,126.83 is: 9,262,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426,208.35 : 11,640,071.80 = 6,705,126.83 : x
  2. Step 2: Convert to fraction form
    8,426,208.35/11,640,071.80 = 6,705,126.83/x
  3. Step 3: Cross multiply
    8,426,208.35x = 11,640,071.80 × 6,705,126.83
  4. Step 4: Simplify right side
    8,426,208.35x = 78,048,157,729,306.41
  5. Step 5: Solve for x
    x = 78,048,157,729,306.41/8,426,208.35
  6. Step 6: Final answer
    x = 9,262,547.81

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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.