Finding the Fourth Proportional to 26,452,649.72, 36,502,641.18 and 14,847,971.18
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Solution
The fourth proportional to 26,452,649.72, 36,502,641.18 and 14,847,971.18 is: 20,489,068.95
Step by Step Solution
- Step 1: Write the proportion equation
26,452,649.72 : 36,502,641.18 = 14,847,971.18 : x - Step 2: Convert to fraction form
26,452,649.72/36,502,641.18 = 14,847,971.18/x - Step 3: Cross multiply
26,452,649.72x = 36,502,641.18 × 14,847,971.18 - Step 4: Simplify right side
26,452,649.72x = 541,990,164,052,008 - Step 5: Solve for x
x = 541,990,164,052,008/26,452,649.72 - Step 6: Final answer
x = 20,489,068.95
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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.