Finding the Fourth Proportional to 10,710,028.68, 14,779,425.05 and 5,815,138.74
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Solution
The fourth proportional to 10,710,028.68, 14,779,425.05 and 5,815,138.74 is: 8,024,666.38
Step by Step Solution
- Step 1: Write the proportion equation
10,710,028.68 : 14,779,425.05 = 5,815,138.74 : x - Step 2: Convert to fraction form
10,710,028.68/14,779,425.05 = 5,815,138.74/x - Step 3: Cross multiply
10,710,028.68x = 14,779,425.05 × 5,815,138.74 - Step 4: Simplify right side
10,710,028.68x = 85,944,407,104,426.11 - Step 5: Solve for x
x = 85,944,407,104,426.11/10,710,028.68 - Step 6: Final answer
x = 8,024,666.38
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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.