Home / 13,376,665.70-18,459,893.14-7,265,094.20

Finding the Fourth Proportional to 13,376,665.70, 18,459,893.14 and 7,265,094.20

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Solution

The fourth proportional to 13,376,665.70, 18,459,893.14 and 7,265,094.20 is: 10,025,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,665.70 : 18,459,893.14 = 7,265,094.20 : x
  2. Step 2: Convert to fraction form
    13,376,665.70/18,459,893.14 = 7,265,094.20/x
  3. Step 3: Cross multiply
    13,376,665.70x = 18,459,893.14 × 7,265,094.20
  4. Step 4: Simplify right side
    13,376,665.70x = 134,112,862,473,571.59
  5. Step 5: Solve for x
    x = 134,112,862,473,571.59/13,376,665.70
  6. Step 6: Final answer
    x = 10,025,881.30

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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.