Home / 28,884,241.51-39,861,217.26-15,831,533.87

Finding the Fourth Proportional to 28,884,241.51, 39,861,217.26 and 15,831,533.87

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Solution

The fourth proportional to 28,884,241.51, 39,861,217.26 and 15,831,533.87 is: 21,848,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884,241.51 : 39,861,217.26 = 15,831,533.87 : x
  2. Step 2: Convert to fraction form
    28,884,241.51/39,861,217.26 = 15,831,533.87/x
  3. Step 3: Cross multiply
    28,884,241.51x = 39,861,217.26 × 15,831,533.87
  4. Step 4: Simplify right side
    28,884,241.51x = 631,064,211,202,713.25
  5. Step 5: Solve for x
    x = 631,064,211,202,713.25/28,884,241.51
  6. Step 6: Final answer
    x = 21,848,045.10

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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.