Home / 13,702,090.47-18,908,884.31-7,507,372.28

Finding the Fourth Proportional to 13,702,090.47, 18,908,884.31 and 7,507,372.28

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Solution

The fourth proportional to 13,702,090.47, 18,908,884.31 and 7,507,372.28 is: 10,360,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,090.47 : 18,908,884.31 = 7,507,372.28 : x
  2. Step 2: Convert to fraction form
    13,702,090.47/18,908,884.31 = 7,507,372.28/x
  3. Step 3: Cross multiply
    13,702,090.47x = 18,908,884.31 × 7,507,372.28
  4. Step 4: Simplify right side
    13,702,090.47x = 141,956,033,782,539.66
  5. Step 5: Solve for x
    x = 141,956,033,782,539.66/13,702,090.47
  6. Step 6: Final answer
    x = 10,360,173.44

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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.