Finding the Fourth Proportional to 19,920,095.48, 27,489,788.68 and 11,549,092.04
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Solution
The fourth proportional to 19,920,095.48, 27,489,788.68 and 11,549,092.04 is: 15,937,780.02
Step by Step Solution
- Step 1: Write the proportion equation
19,920,095.48 : 27,489,788.68 = 11,549,092.04 : x - Step 2: Convert to fraction form
19,920,095.48/27,489,788.68 = 11,549,092.04/x - Step 3: Cross multiply
19,920,095.48x = 27,489,788.68 × 11,549,092.04 - Step 4: Simplify right side
19,920,095.48x = 317,482,099,625,470.06 - Step 5: Solve for x
x = 317,482,099,625,470.06/19,920,095.48 - Step 6: Final answer
x = 15,937,780.02
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1.5x scale
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.