Finding the Fourth Proportional to 21,896,894.84, 30,217,176.36 and 12,107,088.23
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Solution
The fourth proportional to 21,896,894.84, 30,217,176.36 and 12,107,088.23 is: 16,707,484.00
Step by Step Solution
- Step 1: Write the proportion equation
21,896,894.84 : 30,217,176.36 = 12,107,088.23 : x - Step 2: Convert to fraction form
21,896,894.84/30,217,176.36 = 12,107,088.23/x - Step 3: Cross multiply
21,896,894.84x = 30,217,176.36 × 12,107,088.23 - Step 4: Simplify right side
21,896,894.84x = 365,842,020,100,904.31 - Step 5: Solve for x
x = 365,842,020,100,904.31/21,896,894.84 - Step 6: Final answer
x = 16,707,484.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.