Home / 14,294,156.80-21,431,756.76-5,195,174.08

Finding the Fourth Proportional to 14,294,156.80, 21,431,756.76 and 5,195,174.08

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Solution

The fourth proportional to 14,294,156.80, 21,431,756.76 and 5,195,174.08 is: 7,789,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,294,156.80 : 21,431,756.76 = 5,195,174.08 : x
  2. Step 2: Convert to fraction form
    14,294,156.80/21,431,756.76 = 5,195,174.08/x
  3. Step 3: Cross multiply
    14,294,156.80x = 21,431,756.76 × 5,195,174.08
  4. Step 4: Simplify right side
    14,294,156.80x = 111,341,707,208,416.80
  5. Step 5: Solve for x
    x = 111,341,707,208,416.80/14,294,156.80
  6. Step 6: Final answer
    x = 7,789,316.21

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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.