Home / 30,223,415.70-45,348,524.19-15,843,051.54

Finding the Fourth Proportional to 30,223,415.70, 45,348,524.19 and 15,843,051.54

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Solution

The fourth proportional to 30,223,415.70, 45,348,524.19 and 15,843,051.54 is: 23,771,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,223,415.70 : 45,348,524.19 = 15,843,051.54 : x
  2. Step 2: Convert to fraction form
    30,223,415.70/45,348,524.19 = 15,843,051.54/x
  3. Step 3: Cross multiply
    30,223,415.70x = 45,348,524.19 × 15,843,051.54
  4. Step 4: Simplify right side
    30,223,415.70x = 718,459,006,005,106.62
  5. Step 5: Solve for x
    x = 718,459,006,005,106.62/30,223,415.70
  6. Step 6: Final answer
    x = 23,771,601.90

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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.