Finding the Fourth Proportional to 26,803,026.72, 40,103,084.23 and 15,879,081.09
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Solution
The fourth proportional to 26,803,026.72, 40,103,084.23 and 15,879,081.09 is: 23,758,515.53
Step by Step Solution
- Step 1: Write the proportion equation
26,803,026.72 : 40,103,084.23 = 15,879,081.09 : x - Step 2: Convert to fraction form
26,803,026.72/40,103,084.23 = 15,879,081.09/x - Step 3: Cross multiply
26,803,026.72x = 40,103,084.23 × 15,879,081.09 - Step 4: Simplify right side
26,803,026.72x = 636,800,126,367,874.88 - Step 5: Solve for x
x = 636,800,126,367,874.88/26,803,026.72 - Step 6: Final answer
x = 23,758,515.53
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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.