Home / 28,308,918.80-42,463,306.83-7,838,570.14

Finding the Fourth Proportional to 28,308,918.80, 42,463,306.83 and 7,838,570.14

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Solution

The fourth proportional to 28,308,918.80, 42,463,306.83 and 7,838,570.14 is: 11,757,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308,918.80 : 42,463,306.83 = 7,838,570.14 : x
  2. Step 2: Convert to fraction form
    28,308,918.80/42,463,306.83 = 7,838,570.14/x
  3. Step 3: Cross multiply
    28,308,918.80x = 42,463,306.83 × 7,838,570.14
  4. Step 4: Simplify right side
    28,308,918.80x = 332,851,608,963,296
  5. Step 5: Solve for x
    x = 332,851,608,963,296/28,308,918.80
  6. Step 6: Final answer
    x = 11,757,835.45

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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.