Finding the Fourth Proportional to 19,516,875.86, 26,933,447.22 and 10,815,194.09
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Solution
The fourth proportional to 19,516,875.86, 26,933,447.22 and 10,815,194.09 is: 14,925,055.69
Step by Step Solution
- Step 1: Write the proportion equation
19,516,875.86 : 26,933,447.22 = 10,815,194.09 : x - Step 2: Convert to fraction form
19,516,875.86/26,933,447.22 = 10,815,194.09/x - Step 3: Cross multiply
19,516,875.86x = 26,933,447.22 × 10,815,194.09 - Step 4: Simplify right side
19,516,875.86x = 291,290,459,197,070.94 - Step 5: Solve for x
x = 291,290,459,197,070.94/19,516,875.86 - Step 6: Final answer
x = 14,925,055.69
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1.5x scale
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.