Finding the Fourth Proportional to 26,963,603.80, 40,445,405.70 and 19,405,331.80
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Solution
The fourth proportional to 26,963,603.80, 40,445,405.70 and 19,405,331.80 is: 29,107,997.70
Step by Step Solution
- Step 1: Write the proportion equation
26,963,603.80 : 40,445,405.70 = 19,405,331.80 : x - Step 2: Convert to fraction form
26,963,603.80/40,445,405.70 = 19,405,331.80/x - Step 3: Cross multiply
26,963,603.80x = 40,445,405.70 × 19,405,331.80 - Step 4: Simplify right side
26,963,603.80x = 784,856,517,394,111.38 - Step 5: Solve for x
x = 784,856,517,394,111.38/26,963,603.80 - Step 6: Final answer
x = 29,107,997.70
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1.5x scale
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.