Finding the Fourth Proportional to 19,470,900, 29,146,562.28 and 12,248,617.80
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Solution
The fourth proportional to 19,470,900, 29,146,562.28 and 12,248,617.80 is: 18,335,315.86
Step by Step Solution
- Step 1: Write the proportion equation
19,470,900 : 29,146,562.28 = 12,248,617.80 : x - Step 2: Convert to fraction form
19,470,900/29,146,562.28 = 12,248,617.80/x - Step 3: Cross multiply
19,470,900x = 29,146,562.28 × 12,248,617.80 - Step 4: Simplify right side
19,470,900x = 357,005,101,551,616.62 - Step 5: Solve for x
x = 357,005,101,551,616.62/19,470,900 - Step 6: Final answer
x = 18,335,315.86
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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.