Home / 30,338,667.09-45,540,385.47-13,075,387.56

Finding the Fourth Proportional to 30,338,667.09, 45,540,385.47 and 13,075,387.56

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Solution

The fourth proportional to 30,338,667.09, 45,540,385.47 and 13,075,387.56 is: 19,627,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338,667.09 : 45,540,385.47 = 13,075,387.56 : x
  2. Step 2: Convert to fraction form
    30,338,667.09/45,540,385.47 = 13,075,387.56/x
  3. Step 3: Cross multiply
    30,338,667.09x = 45,540,385.47 × 13,075,387.56
  4. Step 4: Simplify right side
    30,338,667.09x = 595,458,189,652,042.75
  5. Step 5: Solve for x
    x = 595,458,189,652,042.75/30,338,667.09
  6. Step 6: Final answer
    x = 19,627,038.59

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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.