Home / 13,556,408.48-18,707,775.95-7,361,400.03

Finding the Fourth Proportional to 13,556,408.48, 18,707,775.95 and 7,361,400.03

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Solution

The fourth proportional to 13,556,408.48, 18,707,775.95 and 7,361,400.03 is: 10,158,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,408.48 : 18,707,775.95 = 7,361,400.03 : x
  2. Step 2: Convert to fraction form
    13,556,408.48/18,707,775.95 = 7,361,400.03/x
  3. Step 3: Cross multiply
    13,556,408.48x = 18,707,775.95 × 7,361,400.03
  4. Step 4: Simplify right side
    13,556,408.48x = 137,715,422,356,555.77
  5. Step 5: Solve for x
    x = 137,715,422,356,555.77/13,556,408.48
  6. Step 6: Final answer
    x = 10,158,695.24

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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.