Home / 12,308,075.30-18,435,540.90-8,003,403.20

Finding the Fourth Proportional to 12,308,075.30, 18,435,540.90 and 8,003,403.20

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Solution

The fourth proportional to 12,308,075.30, 18,435,540.90 and 8,003,403.20 is: 11,987,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,075.30 : 18,435,540.90 = 8,003,403.20 : x
  2. Step 2: Convert to fraction form
    12,308,075.30/18,435,540.90 = 8,003,403.20/x
  3. Step 3: Cross multiply
    12,308,075.30x = 18,435,540.90 × 8,003,403.20
  4. Step 4: Simplify right side
    12,308,075.30x = 147,547,067,032,790.88
  5. Step 5: Solve for x
    x = 147,547,067,032,790.88/12,308,075.30
  6. Step 6: Final answer
    x = 11,987,826.16

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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.