Home / 30,844,072.36-42,565,285.36-16,905,315.94

Finding the Fourth Proportional to 30,844,072.36, 42,565,285.36 and 16,905,315.94

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Solution

The fourth proportional to 30,844,072.36, 42,565,285.36 and 16,905,315.94 is: 23,329,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,844,072.36 : 42,565,285.36 = 16,905,315.94 : x
  2. Step 2: Convert to fraction form
    30,844,072.36/42,565,285.36 = 16,905,315.94/x
  3. Step 3: Cross multiply
    30,844,072.36x = 42,565,285.36 × 16,905,315.94
  4. Step 4: Simplify right side
    30,844,072.36x = 719,579,597,087,056.62
  5. Step 5: Solve for x
    x = 719,579,597,087,056.62/30,844,072.36
  6. Step 6: Final answer
    x = 23,329,591.13

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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.