Finding the Fourth Proportional to 19,498,773.13, 26,936,335.25 and 15,573,375.53
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Solution
The fourth proportional to 19,498,773.13, 26,936,335.25 and 15,573,375.53 is: 21,513,644.04
Step by Step Solution
- Step 1: Write the proportion equation
19,498,773.13 : 26,936,335.25 = 15,573,375.53 : x - Step 2: Convert to fraction form
19,498,773.13/26,936,335.25 = 15,573,375.53/x - Step 3: Cross multiply
19,498,773.13x = 26,936,335.25 × 15,573,375.53 - Step 4: Simplify right side
19,498,773.13x = 419,489,664,197,089.31 - Step 5: Solve for x
x = 419,489,664,197,089.31/19,498,773.13 - Step 6: Final answer
x = 21,513,644.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.