Home / 19,808,920.26-27,326,249.37-12,937,424.58

Finding the Fourth Proportional to 19,808,920.26, 27,326,249.37 and 12,937,424.58

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Solution

The fourth proportional to 19,808,920.26, 27,326,249.37 and 12,937,424.58 is: 17,847,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808,920.26 : 27,326,249.37 = 12,937,424.58 : x
  2. Step 2: Convert to fraction form
    19,808,920.26/27,326,249.37 = 12,937,424.58/x
  3. Step 3: Cross multiply
    19,808,920.26x = 27,326,249.37 × 12,937,424.58
  4. Step 4: Simplify right side
    19,808,920.26x = 353,531,290,278,647.50
  5. Step 5: Solve for x
    x = 353,531,290,278,647.50/19,808,920.26
  6. Step 6: Final answer
    x = 17,847,075.24

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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.