Finding the Fourth Proportional to 12,854,925.84, 19,272,243.09 and 6,373,532.31
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Solution
The fourth proportional to 12,854,925.84, 19,272,243.09 and 6,373,532.31 is: 9,555,268.19
Step by Step Solution
- Step 1: Write the proportion equation
12,854,925.84 : 19,272,243.09 = 6,373,532.31 : x - Step 2: Convert to fraction form
12,854,925.84/19,272,243.09 = 6,373,532.31/x - Step 3: Cross multiply
12,854,925.84x = 19,272,243.09 × 6,373,532.31 - Step 4: Simplify right side
12,854,925.84x = 122,832,264,020,289.23 - Step 5: Solve for x
x = 122,832,264,020,289.23/12,854,925.84 - Step 6: Final answer
x = 9,555,268.19
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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.