Home / 15,338,408.67-21,174,674.33-9,539,058.76

Finding the Fourth Proportional to 15,338,408.67, 21,174,674.33 and 9,539,058.76

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Solution

The fourth proportional to 15,338,408.67, 21,174,674.33 and 9,539,058.76 is: 13,168,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,408.67 : 21,174,674.33 = 9,539,058.76 : x
  2. Step 2: Convert to fraction form
    15,338,408.67/21,174,674.33 = 9,539,058.76/x
  3. Step 3: Cross multiply
    15,338,408.67x = 21,174,674.33 × 9,539,058.76
  4. Step 4: Simplify right side
    15,338,408.67x = 201,986,462,628,644.59
  5. Step 5: Solve for x
    x = 201,986,462,628,644.59/15,338,408.67
  6. Step 6: Final answer
    x = 13,168,671.34

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.