Finding the Fourth Proportional to 8,480,341.93, 12,624,603.54 and 8,429,896.38
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Solution
The fourth proportional to 8,480,341.93, 12,624,603.54 and 8,429,896.38 is: 12,549,505.73
Step by Step Solution
- Step 1: Write the proportion equation
8,480,341.93 : 12,624,603.54 = 8,429,896.38 : x - Step 2: Convert to fraction form
8,480,341.93/12,624,603.54 = 8,429,896.38/x - Step 3: Cross multiply
8,480,341.93x = 12,624,603.54 × 8,429,896.38 - Step 4: Simplify right side
8,480,341.93x = 106,424,099,680,781.19 - Step 5: Solve for x
x = 106,424,099,680,781.19/8,480,341.93 - Step 6: Final answer
x = 12,549,505.73
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.