Finding the Fourth Proportional to 19,486,070.80, 27,340,218.80 and 19,486,070.80
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Solution
The fourth proportional to 19,486,070.80, 27,340,218.80 and 19,486,070.80 is: 27,340,218.80
Step by Step Solution
- Step 1: Write the proportion equation
19,486,070.80 : 27,340,218.80 = 19,486,070.80 : x - Step 2: Convert to fraction form
19,486,070.80/27,340,218.80 = 19,486,070.80/x - Step 3: Cross multiply
19,486,070.80x = 27,340,218.80 × 19,486,070.80 - Step 4: Simplify right side
19,486,070.80x = 532,753,439,224,291.06 - Step 5: Solve for x
x = 532,753,439,224,291.06/19,486,070.80 - Step 6: Final answer
x = 27,340,218.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.