Finding the Fourth Proportional to 27,998,182.63, 38,635,519.04 and 15,607,727.98
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Solution
The fourth proportional to 27,998,182.63, 38,635,519.04 and 15,607,727.98 is: 21,537,564.76
Step by Step Solution
- Step 1: Write the proportion equation
27,998,182.63 : 38,635,519.04 = 15,607,727.98 : x - Step 2: Convert to fraction form
27,998,182.63/38,635,519.04 = 15,607,727.98/x - Step 3: Cross multiply
27,998,182.63x = 38,635,519.04 × 15,607,727.98 - Step 4: Simplify right side
27,998,182.63x = 603,012,671,542,430.75 - Step 5: Solve for x
x = 603,012,671,542,430.75/27,998,182.63 - Step 6: Final answer
x = 21,537,564.76
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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.