Finding the Fourth Proportional to 19,057,897.28, 28,588,090.08 and 13,955,597.12
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Solution
The fourth proportional to 19,057,897.28, 28,588,090.08 and 13,955,597.12 is: 20,934,306.75
Step by Step Solution
- Step 1: Write the proportion equation
19,057,897.28 : 28,588,090.08 = 13,955,597.12 : x - Step 2: Convert to fraction form
19,057,897.28/28,588,090.08 = 13,955,597.12/x - Step 3: Cross multiply
19,057,897.28x = 28,588,090.08 × 13,955,597.12 - Step 4: Simplify right side
19,057,897.28x = 398,963,867,710,552.25 - Step 5: Solve for x
x = 398,963,867,710,552.25/19,057,897.28 - Step 6: Final answer
x = 20,934,306.75
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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.