Home / 30,385,465.23-41,931,940.82-16,634,429.36

Finding the Fourth Proportional to 30,385,465.23, 41,931,940.82 and 16,634,429.36

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Solution

The fourth proportional to 30,385,465.23, 41,931,940.82 and 16,634,429.36 is: 22,955,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,385,465.23 : 41,931,940.82 = 16,634,429.36 : x
  2. Step 2: Convert to fraction form
    30,385,465.23/41,931,940.82 = 16,634,429.36/x
  3. Step 3: Cross multiply
    30,385,465.23x = 41,931,940.82 × 16,634,429.36
  4. Step 4: Simplify right side
    30,385,465.23x = 697,513,907,205,158.62
  5. Step 5: Solve for x
    x = 697,513,907,205,158.62/30,385,465.23
  6. Step 6: Final answer
    x = 22,955,511.85

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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.