Home / 30,622,741.74-42,259,360.50-16,871,705.87

Finding the Fourth Proportional to 30,622,741.74, 42,259,360.50 and 16,871,705.87

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Solution

The fourth proportional to 30,622,741.74, 42,259,360.50 and 16,871,705.87 is: 23,282,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,741.74 : 42,259,360.50 = 16,871,705.87 : x
  2. Step 2: Convert to fraction form
    30,622,741.74/42,259,360.50 = 16,871,705.87/x
  3. Step 3: Cross multiply
    30,622,741.74x = 42,259,360.50 × 16,871,705.87
  4. Step 4: Simplify right side
    30,622,741.74x = 712,987,500,398,999.25
  5. Step 5: Solve for x
    x = 712,987,500,398,999.25/30,622,741.74
  6. Step 6: Final answer
    x = 23,282,941.37

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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.