Home / 14,520,021.80-21,774,783.90-7,329,165.80

Finding the Fourth Proportional to 14,520,021.80, 21,774,783.90 and 7,329,165.80

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Solution

The fourth proportional to 14,520,021.80, 21,774,783.90 and 7,329,165.80 is: 10,991,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,021.80 : 21,774,783.90 = 7,329,165.80 : x
  2. Step 2: Convert to fraction form
    14,520,021.80/21,774,783.90 = 7,329,165.80/x
  3. Step 3: Cross multiply
    14,520,021.80x = 21,774,783.90 × 7,329,165.80
  4. Step 4: Simplify right side
    14,520,021.80x = 159,591,001,462,270.59
  5. Step 5: Solve for x
    x = 159,591,001,462,270.59/14,520,021.80
  6. Step 6: Final answer
    x = 10,991,099.30

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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.