Finding the Fourth Proportional to 14,368,548.98, 19,828,316.53 and 7,842,225.22
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Solution
The fourth proportional to 14,368,548.98, 19,828,316.53 and 7,842,225.22 is: 10,822,117.40
Step by Step Solution
- Step 1: Write the proportion equation
14,368,548.98 : 19,828,316.53 = 7,842,225.22 : x - Step 2: Convert to fraction form
14,368,548.98/19,828,316.53 = 7,842,225.22/x - Step 3: Cross multiply
14,368,548.98x = 19,828,316.53 × 7,842,225.22 - Step 4: Simplify right side
14,368,548.98x = 155,498,124,021,082.47 - Step 5: Solve for x
x = 155,498,124,021,082.47/14,368,548.98 - Step 6: Final answer
x = 10,822,117.40
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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.