Home / 14,520,020.80-21,774,782.40-7,329,164.80

Finding the Fourth Proportional to 14,520,020.80, 21,774,782.40 and 7,329,164.80

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Solution

The fourth proportional to 14,520,020.80, 21,774,782.40 and 7,329,164.80 is: 10,991,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,020.80 : 21,774,782.40 = 7,329,164.80 : x
  2. Step 2: Convert to fraction form
    14,520,020.80/21,774,782.40 = 7,329,164.80/x
  3. Step 3: Cross multiply
    14,520,020.80x = 21,774,782.40 × 7,329,164.80
  4. Step 4: Simplify right side
    14,520,020.80x = 159,590,968,693,739.50
  5. Step 5: Solve for x
    x = 159,590,968,693,739.50/14,520,020.80
  6. Step 6: Final answer
    x = 10,991,097.80

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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.