Finding the Fourth Proportional to 26,603,215.36, 39,915,363.84 and 13,831,774.72
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Solution
The fourth proportional to 26,603,215.36, 39,915,363.84 and 13,831,774.72 is: 20,753,142.54
Step by Step Solution
- Step 1: Write the proportion equation
26,603,215.36 : 39,915,363.84 = 13,831,774.72 : x - Step 2: Convert to fraction form
26,603,215.36/39,915,363.84 = 13,831,774.72/x - Step 3: Cross multiply
26,603,215.36x = 39,915,363.84 × 13,831,774.72 - Step 4: Simplify right side
26,603,215.36x = 552,100,320,501,714.19 - Step 5: Solve for x
x = 552,100,320,501,714.19/26,603,215.36 - Step 6: Final answer
x = 20,753,142.54
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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.