Finding the Fourth Proportional to 19,637,214.48, 29,442,127.56 and 8,701,456.32
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Solution
The fourth proportional to 19,637,214.48, 29,442,127.56 and 8,701,456.32 is: 13,046,116.45
Step by Step Solution
- Step 1: Write the proportion equation
19,637,214.48 : 29,442,127.56 = 8,701,456.32 : x - Step 2: Convert to fraction form
19,637,214.48/29,442,127.56 = 8,701,456.32/x - Step 3: Cross multiply
19,637,214.48x = 29,442,127.56 × 8,701,456.32 - Step 4: Simplify right side
19,637,214.48x = 256,189,386,931,208.19 - Step 5: Solve for x
x = 256,189,386,931,208.19/19,637,214.48 - Step 6: Final answer
x = 13,046,116.45
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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.