Finding the Fourth Proportional to 19,585,064.30, 29,367,098.85 and 8,212,664.30
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Solution
The fourth proportional to 19,585,064.30, 29,367,098.85 and 8,212,664.30 is: 12,314,594.46
Step by Step Solution
- Step 1: Write the proportion equation
19,585,064.30 : 29,367,098.85 = 8,212,664.30 : x - Step 2: Convert to fraction form
19,585,064.30/29,367,098.85 = 8,212,664.30/x - Step 3: Cross multiply
19,585,064.30x = 29,367,098.85 × 8,212,664.30 - Step 4: Simplify right side
19,585,064.30x = 241,182,124,319,966.06 - Step 5: Solve for x
x = 241,182,124,319,966.06/19,585,064.30 - Step 6: Final answer
x = 12,314,594.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.