Finding the Fourth Proportional to 26,714,878.92, 36,866,544.66 and 15,112,194.12
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Solution
The fourth proportional to 26,714,878.92, 36,866,544.66 and 15,112,194.12 is: 20,854,834.53
Step by Step Solution
- Step 1: Write the proportion equation
26,714,878.92 : 36,866,544.66 = 15,112,194.12 : x - Step 2: Convert to fraction form
26,714,878.92/36,866,544.66 = 15,112,194.12/x - Step 3: Cross multiply
26,714,878.92x = 36,866,544.66 × 15,112,194.12 - Step 4: Simplify right side
26,714,878.92x = 557,134,379,435,569.31 - Step 5: Solve for x
x = 557,134,379,435,569.31/26,714,878.92 - Step 6: Final answer
x = 20,854,834.53
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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.