Finding the Fourth Proportional to 21,088,976.66, 31,637,303.18 and 9,574,618.49
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Solution
The fourth proportional to 21,088,976.66, 31,637,303.18 and 9,574,618.49 is: 14,363,670.31
Step by Step Solution
- Step 1: Write the proportion equation
21,088,976.66 : 31,637,303.18 = 9,574,618.49 : x - Step 2: Convert to fraction form
21,088,976.66/31,637,303.18 = 9,574,618.49/x - Step 3: Cross multiply
21,088,976.66x = 31,637,303.18 × 9,574,618.49 - Step 4: Simplify right side
21,088,976.66x = 302,915,107,794,904.19 - Step 5: Solve for x
x = 302,915,107,794,904.19/21,088,976.66 - Step 6: Final answer
x = 14,363,670.31
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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.