Home / 28,016,331.21-42,037,265.80-14,379,054.32

Finding the Fourth Proportional to 28,016,331.21, 42,037,265.80 and 14,379,054.32

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Solution

The fourth proportional to 28,016,331.21, 42,037,265.80 and 14,379,054.32 is: 21,575,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016,331.21 : 42,037,265.80 = 14,379,054.32 : x
  2. Step 2: Convert to fraction form
    28,016,331.21/42,037,265.80 = 14,379,054.32/x
  3. Step 3: Cross multiply
    28,016,331.21x = 42,037,265.80 × 14,379,054.32
  4. Step 4: Simplify right side
    28,016,331.21x = 604,456,128,366,100.62
  5. Step 5: Solve for x
    x = 604,456,128,366,100.62/28,016,331.21
  6. Step 6: Final answer
    x = 21,575,135.01

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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.