Home / 13,702,089.66-18,908,883.22-7,507,371.43

Finding the Fourth Proportional to 13,702,089.66, 18,908,883.22 and 7,507,371.43

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Solution

The fourth proportional to 13,702,089.66, 18,908,883.22 and 7,507,371.43 is: 10,360,172.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,089.66 : 18,908,883.22 = 7,507,371.43 : x
  2. Step 2: Convert to fraction form
    13,702,089.66/18,908,883.22 = 7,507,371.43/x
  3. Step 3: Cross multiply
    13,702,089.66x = 18,908,883.22 × 7,507,371.43
  4. Step 4: Simplify right side
    13,702,089.66x = 141,956,009,564,489.97
  5. Step 5: Solve for x
    x = 141,956,009,564,489.97/13,702,089.66
  6. Step 6: Final answer
    x = 10,360,172.29

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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.