Home / 19,121,341.93-28,681,977.35-5,991,765.19

Finding the Fourth Proportional to 19,121,341.93, 28,681,977.35 and 5,991,765.19

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Solution

The fourth proportional to 19,121,341.93, 28,681,977.35 and 5,991,765.19 is: 8,987,636.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121,341.93 : 28,681,977.35 = 5,991,765.19 : x
  2. Step 2: Convert to fraction form
    19,121,341.93/28,681,977.35 = 5,991,765.19/x
  3. Step 3: Cross multiply
    19,121,341.93x = 28,681,977.35 × 5,991,765.19
  4. Step 4: Simplify right side
    19,121,341.93x = 171,855,673,292,729.72
  5. Step 5: Solve for x
    x = 171,855,673,292,729.72/19,121,341.93
  6. Step 6: Final answer
    x = 8,987,636.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.