Finding the Fourth Proportional to 19,852,897.99, 29,772,652.09 and 7,553,941.62
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Solution
The fourth proportional to 19,852,897.99, 29,772,652.09 and 7,553,941.62 is: 11,328,365.05
Step by Step Solution
- Step 1: Write the proportion equation
19,852,897.99 : 29,772,652.09 = 7,553,941.62 : x - Step 2: Convert to fraction form
19,852,897.99/29,772,652.09 = 7,553,941.62/x - Step 3: Cross multiply
19,852,897.99x = 29,772,652.09 × 7,553,941.62 - Step 4: Simplify right side
19,852,897.99x = 224,900,875,760,431 - Step 5: Solve for x
x = 224,900,875,760,431/19,852,897.99 - Step 6: Final answer
x = 11,328,365.05
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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.