Finding the Fourth Proportional to 26,482,951.40, 39,724,427.10 and 19,764,487.40
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Solution
The fourth proportional to 26,482,951.40, 39,724,427.10 and 19,764,487.40 is: 29,646,731.10
Step by Step Solution
- Step 1: Write the proportion equation
26,482,951.40 : 39,724,427.10 = 19,764,487.40 : x - Step 2: Convert to fraction form
26,482,951.40/39,724,427.10 = 19,764,487.40/x - Step 3: Cross multiply
26,482,951.40x = 39,724,427.10 × 19,764,487.40 - Step 4: Simplify right side
26,482,951.40x = 785,132,938,890,168.50 - Step 5: Solve for x
x = 785,132,938,890,168.50/26,482,951.40 - Step 6: Final answer
x = 29,646,731.10
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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.