Finding the Fourth Proportional to 26,758,920.07, 36,928,324.79 and 14,998,405.80
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Solution
The fourth proportional to 26,758,920.07, 36,928,324.79 and 14,998,405.80 is: 20,698,368.96
Step by Step Solution
- Step 1: Write the proportion equation
26,758,920.07 : 36,928,324.79 = 14,998,405.80 : x - Step 2: Convert to fraction form
26,758,920.07/36,928,324.79 = 14,998,405.80/x - Step 3: Cross multiply
26,758,920.07x = 36,928,324.79 × 14,998,405.80 - Step 4: Simplify right side
26,758,920.07x = 553,866,000,639,627.75 - Step 5: Solve for x
x = 553,866,000,639,627.75/26,758,920.07 - Step 6: Final answer
x = 20,698,368.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.