Finding the Fourth Proportional to 19,914,689.04, 29,877,349.50 and 7,136,485.44
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Solution
The fourth proportional to 19,914,689.04, 29,877,349.50 and 7,136,485.44 is: 10,706,633.14
Step by Step Solution
- Step 1: Write the proportion equation
19,914,689.04 : 29,877,349.50 = 7,136,485.44 : x - Step 2: Convert to fraction form
19,914,689.04/29,877,349.50 = 7,136,485.44/x - Step 3: Cross multiply
19,914,689.04x = 29,877,349.50 × 7,136,485.44 - Step 4: Simplify right side
19,914,689.04x = 213,219,269,692,541.28 - Step 5: Solve for x
x = 213,219,269,692,541.28/19,914,689.04 - Step 6: Final answer
x = 10,706,633.14
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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.