Home / 14,238,418.80-21,355,554.60-4,139,986.80

Finding the Fourth Proportional to 14,238,418.80, 21,355,554.60 and 4,139,986.80

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Solution

The fourth proportional to 14,238,418.80, 21,355,554.60 and 4,139,986.80 is: 6,209,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238,418.80 : 21,355,554.60 = 4,139,986.80 : x
  2. Step 2: Convert to fraction form
    14,238,418.80/21,355,554.60 = 4,139,986.80/x
  3. Step 3: Cross multiply
    14,238,418.80x = 21,355,554.60 × 4,139,986.80
  4. Step 4: Simplify right side
    14,238,418.80x = 88,411,714,150,679.28
  5. Step 5: Solve for x
    x = 88,411,714,150,679.28/14,238,418.80
  6. Step 6: Final answer
    x = 6,209,377.28

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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.