Finding the Fourth Proportional to 16,132,864.98, 22,238,143.62 and 10,967,258.46
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Solution
The fourth proportional to 16,132,864.98, 22,238,143.62 and 10,967,258.46 is: 15,117,678.67
Step by Step Solution
- Step 1: Write the proportion equation
16,132,864.98 : 22,238,143.62 = 10,967,258.46 : x - Step 2: Convert to fraction form
16,132,864.98/22,238,143.62 = 10,967,258.46/x - Step 3: Cross multiply
16,132,864.98x = 22,238,143.62 × 10,967,258.46 - Step 4: Simplify right side
16,132,864.98x = 243,891,468,751,140.06 - Step 5: Solve for x
x = 243,891,468,751,140.06/16,132,864.98 - Step 6: Final answer
x = 15,117,678.67
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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.