Home / 12,783,565.24-19,175,420.22-4,263,878.32

Finding the Fourth Proportional to 12,783,565.24, 19,175,420.22 and 4,263,878.32

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Solution

The fourth proportional to 12,783,565.24, 19,175,420.22 and 4,263,878.32 is: 6,395,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,565.24 : 19,175,420.22 = 4,263,878.32 : x
  2. Step 2: Convert to fraction form
    12,783,565.24/19,175,420.22 = 4,263,878.32/x
  3. Step 3: Cross multiply
    12,783,565.24x = 19,175,420.22 × 4,263,878.32
  4. Step 4: Simplify right side
    12,783,565.24x = 81,761,658,552,947.62
  5. Step 5: Solve for x
    x = 81,761,658,552,947.62/12,783,565.24
  6. Step 6: Final answer
    x = 6,395,841.62

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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.