Home / 39,101,189.16-53,962,163.28-21,697,534.38

Finding the Fourth Proportional to 39,101,189.16, 53,962,163.28 and 21,697,534.38

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Solution

The fourth proportional to 39,101,189.16, 53,962,163.28 and 21,697,534.38 is: 29,943,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,101,189.16 : 53,962,163.28 = 21,697,534.38 : x
  2. Step 2: Convert to fraction form
    39,101,189.16/53,962,163.28 = 21,697,534.38/x
  3. Step 3: Cross multiply
    39,101,189.16x = 53,962,163.28 × 21,697,534.38
  4. Step 4: Simplify right side
    39,101,189.16x = 1,170,845,892,986,973.50
  5. Step 5: Solve for x
    x = 1,170,845,892,986,973.50/39,101,189.16
  6. Step 6: Final answer
    x = 29,943,997.05

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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.