Finding the Fourth Proportional to 7,719,707.07, 10,653,161.58 and 4,411,946.12
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Solution
The fourth proportional to 7,719,707.07, 10,653,161.58 and 4,411,946.12 is: 6,088,466.11
Step by Step Solution
- Step 1: Write the proportion equation
7,719,707.07 : 10,653,161.58 = 4,411,946.12 : x - Step 2: Convert to fraction form
7,719,707.07/10,653,161.58 = 4,411,946.12/x - Step 3: Cross multiply
7,719,707.07x = 10,653,161.58 × 4,411,946.12 - Step 4: Simplify right side
7,719,707.07x = 47,001,174,845,348.27 - Step 5: Solve for x
x = 47,001,174,845,348.27/7,719,707.07 - Step 6: Final answer
x = 6,088,466.11
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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.