Home / 28,273,040.70-42,397,119.45-11,228,048.70

Finding the Fourth Proportional to 28,273,040.70, 42,397,119.45 and 11,228,048.70

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Solution

The fourth proportional to 28,273,040.70, 42,397,119.45 and 11,228,048.70 is: 16,837,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273,040.70 : 42,397,119.45 = 11,228,048.70 : x
  2. Step 2: Convert to fraction form
    28,273,040.70/42,397,119.45 = 11,228,048.70/x
  3. Step 3: Cross multiply
    28,273,040.70x = 42,397,119.45 × 11,228,048.70
  4. Step 4: Simplify right side
    28,273,040.70x = 476,036,921,924,317.19
  5. Step 5: Solve for x
    x = 476,036,921,924,317.19/28,273,040.70
  6. Step 6: Final answer
    x = 16,837,132.13

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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.