Home / 15,305,854.40-21,123,572.04-11,431,652.48

Finding the Fourth Proportional to 15,305,854.40, 21,123,572.04 and 11,431,652.48

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Solution

The fourth proportional to 15,305,854.40, 21,123,572.04 and 11,431,652.48 is: 15,776,795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305,854.40 : 21,123,572.04 = 11,431,652.48 : x
  2. Step 2: Convert to fraction form
    15,305,854.40/21,123,572.04 = 11,431,652.48/x
  3. Step 3: Cross multiply
    15,305,854.40x = 21,123,572.04 × 11,431,652.48
  4. Step 4: Simplify right side
    15,305,854.40x = 241,477,334,697,524.66
  5. Step 5: Solve for x
    x = 241,477,334,697,524.66/15,305,854.40
  6. Step 6: Final answer
    x = 15,776,795.49

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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.