Finding the Fourth Proportional to 13,878,373.20, 19,151,743.68 and 7,683,696
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Solution
The fourth proportional to 13,878,373.20, 19,151,743.68 and 7,683,696 is: 10,603,272.75
Step by Step Solution
- Step 1: Write the proportion equation
13,878,373.20 : 19,151,743.68 = 7,683,696 : x - Step 2: Convert to fraction form
13,878,373.20/19,151,743.68 = 7,683,696/x - Step 3: Cross multiply
13,878,373.20x = 19,151,743.68 × 7,683,696 - Step 4: Simplify right side
13,878,373.20x = 147,156,176,307,041.28 - Step 5: Solve for x
x = 147,156,176,307,041.28/13,878,373.20 - Step 6: Final answer
x = 10,603,272.75
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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.