Finding the Fourth Proportional to 14,235,833.25, 21,387,815.91 and 9,128,269.98
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Solution
The fourth proportional to 14,235,833.25, 21,387,815.91 and 9,128,269.98 is: 13,714,248.72
Step by Step Solution
- Step 1: Write the proportion equation
14,235,833.25 : 21,387,815.91 = 9,128,269.98 : x - Step 2: Convert to fraction form
14,235,833.25/21,387,815.91 = 9,128,269.98/x - Step 3: Cross multiply
14,235,833.25x = 21,387,815.91 × 9,128,269.98 - Step 4: Simplify right side
14,235,833.25x = 195,233,757,909,019.41 - Step 5: Solve for x
x = 195,233,757,909,019.41/14,235,833.25 - Step 6: Final answer
x = 13,714,248.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.