Home / 39,871,825.32-55,023,110.46-21,537,111

Finding the Fourth Proportional to 39,871,825.32, 55,023,110.46 and 21,537,111

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Solution

The fourth proportional to 39,871,825.32, 55,023,110.46 and 21,537,111 is: 29,721,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,871,825.32 : 55,023,110.46 = 21,537,111 : x
  2. Step 2: Convert to fraction form
    39,871,825.32/55,023,110.46 = 21,537,111/x
  3. Step 3: Cross multiply
    39,871,825.32x = 55,023,110.46 × 21,537,111
  4. Step 4: Simplify right side
    39,871,825.32x = 1,185,038,837,542,281
  5. Step 5: Solve for x
    x = 1,185,038,837,542,281/39,871,825.32
  6. Step 6: Final answer
    x = 29,721,208.60

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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.