Finding the Fourth Proportional to 26,890,973.40, 40,324,562.82 and 7,717,281.96
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Solution
The fourth proportional to 26,890,973.40, 40,324,562.82 and 7,717,281.96 is: 11,572,508.61
Step by Step Solution
- Step 1: Write the proportion equation
26,890,973.40 : 40,324,562.82 = 7,717,281.96 : x - Step 2: Convert to fraction form
26,890,973.40/40,324,562.82 = 7,717,281.96/x - Step 3: Cross multiply
26,890,973.40x = 40,324,562.82 × 7,717,281.96 - Step 4: Simplify right side
26,890,973.40x = 311,196,021,195,672.75 - Step 5: Solve for x
x = 311,196,021,195,672.75/26,890,973.40 - Step 6: Final answer
x = 11,572,508.61
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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.