Finding the Fourth Proportional to 8,905,285.68, 12,289,317.96 and 4,830,904.68
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Solution
The fourth proportional to 8,905,285.68, 12,289,317.96 and 4,830,904.68 is: 6,666,661.33
Step by Step Solution
- Step 1: Write the proportion equation
8,905,285.68 : 12,289,317.96 = 4,830,904.68 : x - Step 2: Convert to fraction form
8,905,285.68/12,289,317.96 = 4,830,904.68/x - Step 3: Cross multiply
8,905,285.68x = 12,289,317.96 × 4,830,904.68 - Step 4: Simplify right side
8,905,285.68x = 59,368,523,646,972.05 - Step 5: Solve for x
x = 59,368,523,646,972.05/8,905,285.68 - Step 6: Final answer
x = 6,666,661.33
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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.