Home / 46,699,940.76-69,989,150.28-19,001,578.92

Finding the Fourth Proportional to 46,699,940.76, 69,989,150.28 and 19,001,578.92

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Solution

The fourth proportional to 46,699,940.76, 69,989,150.28 and 19,001,578.92 is: 28,477,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,699,940.76 : 69,989,150.28 = 19,001,578.92 : x
  2. Step 2: Convert to fraction form
    46,699,940.76/69,989,150.28 = 19,001,578.92/x
  3. Step 3: Cross multiply
    46,699,940.76x = 69,989,150.28 × 19,001,578.92
  4. Step 4: Simplify right side
    46,699,940.76x = 1,329,904,362,589,160.25
  5. Step 5: Solve for x
    x = 1,329,904,362,589,160.25/46,699,940.76
  6. Step 6: Final answer
    x = 28,477,645.60

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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.