Home / 14,095,075.40-21,142,613.10-12,471,446.60

Finding the Fourth Proportional to 14,095,075.40, 21,142,613.10 and 12,471,446.60

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Solution

The fourth proportional to 14,095,075.40, 21,142,613.10 and 12,471,446.60 is: 18,707,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,095,075.40 : 21,142,613.10 = 12,471,446.60 : x
  2. Step 2: Convert to fraction form
    14,095,075.40/21,142,613.10 = 12,471,446.60/x
  3. Step 3: Cross multiply
    14,095,075.40x = 21,142,613.10 × 12,471,446.60
  4. Step 4: Simplify right side
    14,095,075.40x = 263,678,970,261,110.47
  5. Step 5: Solve for x
    x = 263,678,970,261,110.47/14,095,075.40
  6. Step 6: Final answer
    x = 18,707,169.90

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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.