Home / 30,378,994.84-41,923,406.64-16,627,663.72

Finding the Fourth Proportional to 30,378,994.84, 41,923,406.64 and 16,627,663.72

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Solution

The fourth proportional to 30,378,994.84, 41,923,406.64 and 16,627,663.72 is: 22,946,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,994.84 : 41,923,406.64 = 16,627,663.72 : x
  2. Step 2: Convert to fraction form
    30,378,994.84/41,923,406.64 = 16,627,663.72/x
  3. Step 3: Cross multiply
    30,378,994.84x = 41,923,406.64 × 16,627,663.72
  4. Step 4: Simplify right side
    30,378,994.84x = 697,088,307,606,735.12
  5. Step 5: Solve for x
    x = 697,088,307,606,735.12/30,378,994.84
  6. Step 6: Final answer
    x = 22,946,391.45

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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.