Home / 30,212,313.45-45,326,799.59-12,029,277.66

Finding the Fourth Proportional to 30,212,313.45, 45,326,799.59 and 12,029,277.66

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Solution

The fourth proportional to 30,212,313.45, 45,326,799.59 and 12,029,277.66 is: 18,047,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212,313.45 : 45,326,799.59 = 12,029,277.66 : x
  2. Step 2: Convert to fraction form
    30,212,313.45/45,326,799.59 = 12,029,277.66/x
  3. Step 3: Cross multiply
    30,212,313.45x = 45,326,799.59 × 12,029,277.66
  4. Step 4: Simplify right side
    30,212,313.45x = 545,248,657,647,137.81
  5. Step 5: Solve for x
    x = 545,248,657,647,137.81/30,212,313.45
  6. Step 6: Final answer
    x = 18,047,232.91

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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.