Home / 30,881,240.40-42,621,222.60-17,134,633.20

Finding the Fourth Proportional to 30,881,240.40, 42,621,222.60 and 17,134,633.20

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Solution

The fourth proportional to 30,881,240.40, 42,621,222.60 and 17,134,633.20 is: 23,648,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881,240.40 : 42,621,222.60 = 17,134,633.20 : x
  2. Step 2: Convert to fraction form
    30,881,240.40/42,621,222.60 = 17,134,633.20/x
  3. Step 3: Cross multiply
    30,881,240.40x = 42,621,222.60 × 17,134,633.20
  4. Step 4: Simplify right side
    30,881,240.40x = 730,299,015,786,550.38
  5. Step 5: Solve for x
    x = 730,299,015,786,550.38/30,881,240.40
  6. Step 6: Final answer
    x = 23,648,629.60

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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.