Finding the Fourth Proportional to 14,368,549.68, 19,828,317.48 and 7,842,225.90
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Solution
The fourth proportional to 14,368,549.68, 19,828,317.48 and 7,842,225.90 is: 10,822,118.33
Step by Step Solution
- Step 1: Write the proportion equation
14,368,549.68 : 19,828,317.48 = 7,842,225.90 : x - Step 2: Convert to fraction form
14,368,549.68/19,828,317.48 = 7,842,225.90/x - Step 3: Cross multiply
14,368,549.68x = 19,828,317.48 × 7,842,225.90 - Step 4: Simplify right side
14,368,549.68x = 155,498,144,895,078.75 - Step 5: Solve for x
x = 155,498,144,895,078.75/14,368,549.68 - Step 6: Final answer
x = 10,822,118.33
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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.