Finding the Fourth Proportional to 19,721,638.64, 29,585,636.73 and 6,074,771.74
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Solution
The fourth proportional to 19,721,638.64, 29,585,636.73 and 6,074,771.74 is: 9,113,136.75
Step by Step Solution
- Step 1: Write the proportion equation
19,721,638.64 : 29,585,636.73 = 6,074,771.74 : x - Step 2: Convert to fraction form
19,721,638.64/29,585,636.73 = 6,074,771.74/x - Step 3: Cross multiply
19,721,638.64x = 29,585,636.73 × 6,074,771.74 - Step 4: Simplify right side
19,721,638.64x = 179,725,989,843,345.91 - Step 5: Solve for x
x = 179,725,989,843,345.91/19,721,638.64 - Step 6: Final answer
x = 9,113,136.75
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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.