Home / 15,986,297.65-22,061,075.18-8,644,113.20

Finding the Fourth Proportional to 15,986,297.65, 22,061,075.18 and 8,644,113.20

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Solution

The fourth proportional to 15,986,297.65, 22,061,075.18 and 8,644,113.20 is: 11,928,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986,297.65 : 22,061,075.18 = 8,644,113.20 : x
  2. Step 2: Convert to fraction form
    15,986,297.65/22,061,075.18 = 8,644,113.20/x
  3. Step 3: Cross multiply
    15,986,297.65x = 22,061,075.18 × 8,644,113.20
  4. Step 4: Simplify right side
    15,986,297.65x = 190,698,431,081,776.19
  5. Step 5: Solve for x
    x = 190,698,431,081,776.19/15,986,297.65
  6. Step 6: Final answer
    x = 11,928,867.79

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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.