Home / 28,585,198.80-42,868,583.64-9,411,390.72

Finding the Fourth Proportional to 28,585,198.80, 42,868,583.64 and 9,411,390.72

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Solution

The fourth proportional to 28,585,198.80, 42,868,583.64 and 9,411,390.72 is: 14,114,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,198.80 : 42,868,583.64 = 9,411,390.72 : x
  2. Step 2: Convert to fraction form
    28,585,198.80/42,868,583.64 = 9,411,390.72/x
  3. Step 3: Cross multiply
    28,585,198.80x = 42,868,583.64 × 9,411,390.72
  4. Step 4: Simplify right side
    28,585,198.80x = 403,452,990,249,039.88
  5. Step 5: Solve for x
    x = 403,452,990,249,039.88/28,585,198.80
  6. Step 6: Final answer
    x = 14,114,052.28

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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.