Home / 30,650,004.81-42,297,292.14-16,899,457.77

Finding the Fourth Proportional to 30,650,004.81, 42,297,292.14 and 16,899,457.77

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Solution

The fourth proportional to 30,650,004.81, 42,297,292.14 and 16,899,457.77 is: 23,321,409.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,650,004.81 : 42,297,292.14 = 16,899,457.77 : x
  2. Step 2: Convert to fraction form
    30,650,004.81/42,297,292.14 = 16,899,457.77/x
  3. Step 3: Cross multiply
    30,650,004.81x = 42,297,292.14 × 16,899,457.77
  4. Step 4: Simplify right side
    30,650,004.81x = 714,801,302,305,282.88
  5. Step 5: Solve for x
    x = 714,801,302,305,282.88/30,650,004.81
  6. Step 6: Final answer
    x = 23,321,409.14

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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.