Home / 13,057,639.83-18,019,163.81-7,475,699.59

Finding the Fourth Proportional to 13,057,639.83, 18,019,163.81 and 7,475,699.59

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Solution

The fourth proportional to 13,057,639.83, 18,019,163.81 and 7,475,699.59 is: 10,316,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,639.83 : 18,019,163.81 = 7,475,699.59 : x
  2. Step 2: Convert to fraction form
    13,057,639.83/18,019,163.81 = 7,475,699.59/x
  3. Step 3: Cross multiply
    13,057,639.83x = 18,019,163.81 × 7,475,699.59
  4. Step 4: Simplify right side
    13,057,639.83x = 134,705,855,480,201.19
  5. Step 5: Solve for x
    x = 134,705,855,480,201.19/13,057,639.83
  6. Step 6: Final answer
    x = 10,316,248.36

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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.