Finding the Fourth Proportional to 14,355,701.18, 19,807,461.63 and 8,160,261.65
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Solution
The fourth proportional to 14,355,701.18, 19,807,461.63 and 8,160,261.65 is: 11,259,224.99
Step by Step Solution
- Step 1: Write the proportion equation
14,355,701.18 : 19,807,461.63 = 8,160,261.65 : x - Step 2: Convert to fraction form
14,355,701.18/19,807,461.63 = 8,160,261.65/x - Step 3: Cross multiply
14,355,701.18x = 19,807,461.63 × 8,160,261.65 - Step 4: Simplify right side
14,355,701.18x = 161,634,069,424,098.16 - Step 5: Solve for x
x = 161,634,069,424,098.16/14,355,701.18 - Step 6: Final answer
x = 11,259,224.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.