Home / 20,678,087.22-31,020,497.25-6,106,480.52

Finding the Fourth Proportional to 20,678,087.22, 31,020,497.25 and 6,106,480.52

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Solution

The fourth proportional to 20,678,087.22, 31,020,497.25 and 6,106,480.52 is: 9,160,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,678,087.22 : 31,020,497.25 = 6,106,480.52 : x
  2. Step 2: Convert to fraction form
    20,678,087.22/31,020,497.25 = 6,106,480.52/x
  3. Step 3: Cross multiply
    20,678,087.22x = 31,020,497.25 × 6,106,480.52
  4. Step 4: Simplify right side
    20,678,087.22x = 189,426,062,255,389.81
  5. Step 5: Solve for x
    x = 189,426,062,255,389.81/20,678,087.22
  6. Step 6: Final answer
    x = 9,160,714.93

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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.