Home / 39,871,823.32-55,023,107.70-21,537,109

Finding the Fourth Proportional to 39,871,823.32, 55,023,107.70 and 21,537,109

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Solution

The fourth proportional to 39,871,823.32, 55,023,107.70 and 21,537,109 is: 29,721,205.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,871,823.32 : 55,023,107.70 = 21,537,109 : x
  2. Step 2: Convert to fraction form
    39,871,823.32/55,023,107.70 = 21,537,109/x
  3. Step 3: Cross multiply
    39,871,823.32x = 55,023,107.70 × 21,537,109
  4. Step 4: Simplify right side
    39,871,823.32x = 1,185,038,668,053,639.25
  5. Step 5: Solve for x
    x = 1,185,038,668,053,639.25/39,871,823.32
  6. Step 6: Final answer
    x = 29,721,205.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.