Home / 39,123,465.33-58,691,965.40-13,215,955.32

Finding the Fourth Proportional to 39,123,465.33, 58,691,965.40 and 13,215,955.32

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Solution

The fourth proportional to 39,123,465.33, 58,691,965.40 and 13,215,955.32 is: 19,826,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,123,465.33 : 58,691,965.40 = 13,215,955.32 : x
  2. Step 2: Convert to fraction form
    39,123,465.33/58,691,965.40 = 13,215,955.32/x
  3. Step 3: Cross multiply
    39,123,465.33x = 58,691,965.40 × 13,215,955.32
  4. Step 4: Simplify right side
    39,123,465.33x = 775,670,392,303,306.25
  5. Step 5: Solve for x
    x = 775,670,392,303,306.25/39,123,465.33
  6. Step 6: Final answer
    x = 19,826,219.02

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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.