Finding the Fourth Proportional to 13,167,266.04, 18,163,511.28 and 7,660,020.96
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Solution
The fourth proportional to 13,167,266.04, 18,163,511.28 and 7,660,020.96 is: 10,566,572.95
Step by Step Solution
- Step 1: Write the proportion equation
13,167,266.04 : 18,163,511.28 = 7,660,020.96 : x - Step 2: Convert to fraction form
13,167,266.04/18,163,511.28 = 7,660,020.96/x - Step 3: Cross multiply
13,167,266.04x = 18,163,511.28 × 7,660,020.96 - Step 4: Simplify right side
13,167,266.04x = 139,132,877,111,996.44 - Step 5: Solve for x
x = 139,132,877,111,996.44/13,167,266.04 - Step 6: Final answer
x = 10,566,572.95
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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.