Finding the Fourth Proportional to 11,133,767.20, 16,706,180.40 and 4,402,400.80
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Solution
The fourth proportional to 11,133,767.20, 16,706,180.40 and 4,402,400.80 is: 6,605,787.66
Step by Step Solution
- Step 1: Write the proportion equation
11,133,767.20 : 16,706,180.40 = 4,402,400.80 : x - Step 2: Convert to fraction form
11,133,767.20/16,706,180.40 = 4,402,400.80/x - Step 3: Cross multiply
11,133,767.20x = 16,706,180.40 × 4,402,400.80 - Step 4: Simplify right side
11,133,767.20x = 73,547,301,957,904.31 - Step 5: Solve for x
x = 73,547,301,957,904.31/11,133,767.20 - Step 6: Final answer
x = 6,605,787.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.