Home / 13,868,773.48-19,137,868.14-7,756,021

Finding the Fourth Proportional to 13,868,773.48, 19,137,868.14 and 7,756,021

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Solution

The fourth proportional to 13,868,773.48, 19,137,868.14 and 7,756,021 is: 10,702,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,773.48 : 19,137,868.14 = 7,756,021 : x
  2. Step 2: Convert to fraction form
    13,868,773.48/19,137,868.14 = 7,756,021/x
  3. Step 3: Cross multiply
    13,868,773.48x = 19,137,868.14 × 7,756,021
  4. Step 4: Simplify right side
    13,868,773.48x = 148,433,707,189,070.94
  5. Step 5: Solve for x
    x = 148,433,707,189,070.94/13,868,773.48
  6. Step 6: Final answer
    x = 10,702,727.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.