Home / 21,066,618.94-31,603,869.87-6,693,305.02

Finding the Fourth Proportional to 21,066,618.94, 31,603,869.87 and 6,693,305.02

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Solution

The fourth proportional to 21,066,618.94, 31,603,869.87 and 6,693,305.02 is: 10,041,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,618.94 : 31,603,869.87 = 6,693,305.02 : x
  2. Step 2: Convert to fraction form
    21,066,618.94/31,603,869.87 = 6,693,305.02/x
  3. Step 3: Cross multiply
    21,066,618.94x = 31,603,869.87 × 6,693,305.02
  4. Step 4: Simplify right side
    21,066,618.94x = 211,534,340,852,297.75
  5. Step 5: Solve for x
    x = 211,534,340,852,297.75/21,066,618.94
  6. Step 6: Final answer
    x = 10,041,209.81

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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.