Finding the Fourth Proportional to 19,009,234.60, 28,450,866.30 and 17,497,580.20
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Solution
The fourth proportional to 19,009,234.60, 28,450,866.30 and 17,497,580.20 is: 26,188,393.45
Step by Step Solution
- Step 1: Write the proportion equation
19,009,234.60 : 28,450,866.30 = 17,497,580.20 : x - Step 2: Convert to fraction form
19,009,234.60/28,450,866.30 = 17,497,580.20/x - Step 3: Cross multiply
19,009,234.60x = 28,450,866.30 × 17,497,580.20 - Step 4: Simplify right side
19,009,234.60x = 497,821,314,843,727.25 - Step 5: Solve for x
x = 497,821,314,843,727.25/19,009,234.60 - Step 6: Final answer
x = 26,188,393.45
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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.