Home / 19,989,135.45-28,048,562.55-19,989,135.45

Finding the Fourth Proportional to 19,989,135.45, 28,048,562.55 and 19,989,135.45

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Solution

The fourth proportional to 19,989,135.45, 28,048,562.55 and 19,989,135.45 is: 28,048,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989,135.45 : 28,048,562.55 = 19,989,135.45 : x
  2. Step 2: Convert to fraction form
    19,989,135.45/28,048,562.55 = 19,989,135.45/x
  3. Step 3: Cross multiply
    19,989,135.45x = 28,048,562.55 × 19,989,135.45
  4. Step 4: Simplify right side
    19,989,135.45x = 560,666,515,989,747.38
  5. Step 5: Solve for x
    x = 560,666,515,989,747.38/19,989,135.45
  6. Step 6: Final answer
    x = 28,048,562.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.