Finding the Fourth Proportional to 26,946,052.90, 40,419,079.35 and 7,777,435.30
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Solution
The fourth proportional to 26,946,052.90, 40,419,079.35 and 7,777,435.30 is: 11,666,152.95
Step by Step Solution
- Step 1: Write the proportion equation
26,946,052.90 : 40,419,079.35 = 7,777,435.30 : x - Step 2: Convert to fraction form
26,946,052.90/40,419,079.35 = 7,777,435.30/x - Step 3: Cross multiply
26,946,052.90x = 40,419,079.35 × 7,777,435.30 - Step 4: Simplify right side
26,946,052.90x = 314,356,774,530,191.06 - Step 5: Solve for x
x = 314,356,774,530,191.06/26,946,052.90 - Step 6: Final answer
x = 11,666,152.95
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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.