Finding the Fourth Proportional to 34,472,271.12, 47,571,411.96 and 18,791,293.20
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Solution
The fourth proportional to 34,472,271.12, 47,571,411.96 and 18,791,293.20 is: 25,931,808.99
Step by Step Solution
- Step 1: Write the proportion equation
34,472,271.12 : 47,571,411.96 = 18,791,293.20 : x - Step 2: Convert to fraction form
34,472,271.12/47,571,411.96 = 18,791,293.20/x - Step 3: Cross multiply
34,472,271.12x = 47,571,411.96 × 18,791,293.20 - Step 4: Simplify right side
34,472,271.12x = 893,928,350,078,346.62 - Step 5: Solve for x
x = 893,928,350,078,346.62/34,472,271.12 - Step 6: Final answer
x = 25,931,808.99
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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.