Home / 13,512,417.77-18,647,050.91-7,317,365.75

Finding the Fourth Proportional to 13,512,417.77, 18,647,050.91 and 7,317,365.75

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Solution

The fourth proportional to 13,512,417.77, 18,647,050.91 and 7,317,365.75 is: 10,097,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,417.77 : 18,647,050.91 = 7,317,365.75 : x
  2. Step 2: Convert to fraction form
    13,512,417.77/18,647,050.91 = 7,317,365.75/x
  3. Step 3: Cross multiply
    13,512,417.77x = 18,647,050.91 × 7,317,365.75
  4. Step 4: Simplify right side
    13,512,417.77x = 136,447,291,607,444.70
  5. Step 5: Solve for x
    x = 136,447,291,607,444.70/13,512,417.77
  6. Step 6: Final answer
    x = 10,097,918.37

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1.5x scale

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.