Finding the Fourth Proportional to 30,828,479.79, 46,228,898.45 and 18,370,560.53
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Solution
The fourth proportional to 30,828,479.79, 46,228,898.45 and 18,370,560.53 is: 27,547,604.77
Step by Step Solution
- Step 1: Write the proportion equation
30,828,479.79 : 46,228,898.45 = 18,370,560.53 : x - Step 2: Convert to fraction form
30,828,479.79/46,228,898.45 = 18,370,560.53/x - Step 3: Cross multiply
30,828,479.79x = 46,228,898.45 × 18,370,560.53 - Step 4: Simplify right side
30,828,479.79x = 849,250,776,887,950.88 - Step 5: Solve for x
x = 849,250,776,887,950.88/30,828,479.79 - Step 6: Final answer
x = 27,547,604.77
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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.