Finding the Fourth Proportional to 31,828,833.29, 47,648,088.74 and 19,493,957.99
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Solution
The fourth proportional to 31,828,833.29, 47,648,088.74 and 19,493,957.99 is: 29,182,654.35
Step by Step Solution
- Step 1: Write the proportion equation
31,828,833.29 : 47,648,088.74 = 19,493,957.99 : x - Step 2: Convert to fraction form
31,828,833.29/47,648,088.74 = 19,493,957.99/x - Step 3: Cross multiply
31,828,833.29x = 47,648,088.74 × 19,493,957.99 - Step 4: Simplify right side
31,828,833.29x = 928,849,840,369,207.12 - Step 5: Solve for x
x = 928,849,840,369,207.12/31,828,833.29 - Step 6: Final answer
x = 29,182,654.35
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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.