Home / 13,831,935.89-20,748,900.36-5,312,272.36

Finding the Fourth Proportional to 13,831,935.89, 20,748,900.36 and 5,312,272.36

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Solution

The fourth proportional to 13,831,935.89, 20,748,900.36 and 5,312,272.36 is: 7,968,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,935.89 : 20,748,900.36 = 5,312,272.36 : x
  2. Step 2: Convert to fraction form
    13,831,935.89/20,748,900.36 = 5,312,272.36/x
  3. Step 3: Cross multiply
    13,831,935.89x = 20,748,900.36 × 5,312,272.36
  4. Step 4: Simplify right side
    13,831,935.89x = 110,223,809,889,775
  5. Step 5: Solve for x
    x = 110,223,809,889,775/13,831,935.89
  6. Step 6: Final answer
    x = 7,968,791.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.