Finding the Fourth Proportional to 26,953,876.86, 37,202,962.68 and 15,358,293.51
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Solution
The fourth proportional to 26,953,876.86, 37,202,962.68 and 15,358,293.51 is: 21,198,212.90
Step by Step Solution
- Step 1: Write the proportion equation
26,953,876.86 : 37,202,962.68 = 15,358,293.51 : x - Step 2: Convert to fraction form
26,953,876.86/37,202,962.68 = 15,358,293.51/x - Step 3: Cross multiply
26,953,876.86x = 37,202,962.68 × 15,358,293.51 - Step 4: Simplify right side
26,953,876.86x = 571,374,020,281,016.25 - Step 5: Solve for x
x = 571,374,020,281,016.25/26,953,876.86 - Step 6: Final answer
x = 21,198,212.90
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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.