Finding the Fourth Proportional to 19,127,856.79, 28,693,508.22 and 6,174,314.56
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Solution
The fourth proportional to 19,127,856.79, 28,693,508.22 and 6,174,314.56 is: 9,262,028.02
Step by Step Solution
- Step 1: Write the proportion equation
19,127,856.79 : 28,693,508.22 = 6,174,314.56 : x - Step 2: Convert to fraction form
19,127,856.79/28,693,508.22 = 6,174,314.56/x - Step 3: Cross multiply
19,127,856.79x = 28,693,508.22 × 6,174,314.56 - Step 4: Simplify right side
19,127,856.79x = 177,162,745,580,225.66 - Step 5: Solve for x
x = 177,162,745,580,225.66/19,127,856.79 - Step 6: Final answer
x = 9,262,028.02
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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.