Home / 20,310,736.67-30,465,032.01-6,662,085.20

Finding the Fourth Proportional to 20,310,736.67, 30,465,032.01 and 6,662,085.20

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Solution

The fourth proportional to 20,310,736.67, 30,465,032.01 and 6,662,085.20 is: 9,992,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310,736.67 : 30,465,032.01 = 6,662,085.20 : x
  2. Step 2: Convert to fraction form
    20,310,736.67/30,465,032.01 = 6,662,085.20/x
  3. Step 3: Cross multiply
    20,310,736.67x = 30,465,032.01 × 6,662,085.20
  4. Step 4: Simplify right side
    20,310,736.67x = 202,960,638,871,347.28
  5. Step 5: Solve for x
    x = 202,960,638,871,347.28/20,310,736.67
  6. Step 6: Final answer
    x = 9,992,775.85

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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.