Home / 28,171,945.80-42,257,918.70-27,605,075.40

Finding the Fourth Proportional to 28,171,945.80, 42,257,918.70 and 27,605,075.40

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Solution

The fourth proportional to 28,171,945.80, 42,257,918.70 and 27,605,075.40 is: 41,407,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,171,945.80 : 42,257,918.70 = 27,605,075.40 : x
  2. Step 2: Convert to fraction form
    28,171,945.80/42,257,918.70 = 27,605,075.40/x
  3. Step 3: Cross multiply
    28,171,945.80x = 42,257,918.70 × 27,605,075.40
  4. Step 4: Simplify right side
    28,171,945.80x = 1,166,533,031,960,570
  5. Step 5: Solve for x
    x = 1,166,533,031,960,570/28,171,945.80
  6. Step 6: Final answer
    x = 41,407,613.10

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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.