Home / 23,185,862.55-31,995,241.38-12,871,921.32

Finding the Fourth Proportional to 23,185,862.55, 31,995,241.38 and 12,871,921.32

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Solution

The fourth proportional to 23,185,862.55, 31,995,241.38 and 12,871,921.32 is: 17,762,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185,862.55 : 31,995,241.38 = 12,871,921.32 : x
  2. Step 2: Convert to fraction form
    23,185,862.55/31,995,241.38 = 12,871,921.32/x
  3. Step 3: Cross multiply
    23,185,862.55x = 31,995,241.38 × 12,871,921.32
  4. Step 4: Simplify right side
    23,185,862.55x = 411,840,229,657,768.19
  5. Step 5: Solve for x
    x = 411,840,229,657,768.19/23,185,862.55
  6. Step 6: Final answer
    x = 17,762,558.06

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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.