Finding the Fourth Proportional to 14,431,138.58, 19,909,428 and 8,236,529.12
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Solution
The fourth proportional to 14,431,138.58, 19,909,428 and 8,236,529.12 is: 11,363,246.40
Step by Step Solution
- Step 1: Write the proportion equation
14,431,138.58 : 19,909,428 = 8,236,529.12 : x - Step 2: Convert to fraction form
14,431,138.58/19,909,428 = 8,236,529.12/x - Step 3: Cross multiply
14,431,138.58x = 19,909,428 × 8,236,529.12 - Step 4: Simplify right side
14,431,138.58x = 163,984,583,484,543.38 - Step 5: Solve for x
x = 163,984,583,484,543.38/14,431,138.58 - Step 6: Final answer
x = 11,363,246.40
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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.