Finding the Fourth Proportional to 19,528,856.80, 26,951,419.36 and 10,829,758.08
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Solution
The fourth proportional to 19,528,856.80, 26,951,419.36 and 10,829,758.08 is: 14,945,951.76
Step by Step Solution
- Step 1: Write the proportion equation
19,528,856.80 : 26,951,419.36 = 10,829,758.08 : x - Step 2: Convert to fraction form
19,528,856.80/26,951,419.36 = 10,829,758.08/x - Step 3: Cross multiply
19,528,856.80x = 26,951,419.36 × 10,829,758.08 - Step 4: Simplify right side
19,528,856.80x = 291,877,351,581,428.44 - Step 5: Solve for x
x = 291,877,351,581,428.44/19,528,856.80 - Step 6: Final answer
x = 14,945,951.76
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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.