Home / 28,218,555.25-42,323,302.14-7,743,493.10

Finding the Fourth Proportional to 28,218,555.25, 42,323,302.14 and 7,743,493.10

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Solution

The fourth proportional to 28,218,555.25, 42,323,302.14 and 7,743,493.10 is: 11,613,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,218,555.25 : 42,323,302.14 = 7,743,493.10 : x
  2. Step 2: Convert to fraction form
    28,218,555.25/42,323,302.14 = 7,743,493.10/x
  3. Step 3: Cross multiply
    28,218,555.25x = 42,323,302.14 × 7,743,493.10
  4. Step 4: Simplify right side
    28,218,555.25x = 327,730,198,167,075.38
  5. Step 5: Solve for x
    x = 327,730,198,167,075.38/28,218,555.25
  6. Step 6: Final answer
    x = 11,613,996.37

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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.