Finding the Fourth Proportional to 19,160,927.25, 28,730,757.16 and 6,374,451.93
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Solution
The fourth proportional to 19,160,927.25, 28,730,757.16 and 6,374,451.93 is: 9,558,140.27
Step by Step Solution
- Step 1: Write the proportion equation
19,160,927.25 : 28,730,757.16 = 6,374,451.93 : x - Step 2: Convert to fraction form
19,160,927.25/28,730,757.16 = 6,374,451.93/x - Step 3: Cross multiply
19,160,927.25x = 28,730,757.16 × 6,374,451.93 - Step 4: Simplify right side
19,160,927.25x = 183,142,830,428,923.31 - Step 5: Solve for x
x = 183,142,830,428,923.31/19,160,927.25 - Step 6: Final answer
x = 9,558,140.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.