Finding the Fourth Proportional to 10,133,347.91, 13,983,956.64 and 5,487,034.68
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Solution
The fourth proportional to 10,133,347.91, 13,983,956.64 and 5,487,034.68 is: 7,572,073.49
Step by Step Solution
- Step 1: Write the proportion equation
10,133,347.91 : 13,983,956.64 = 5,487,034.68 : x - Step 2: Convert to fraction form
10,133,347.91/13,983,956.64 = 5,487,034.68/x - Step 3: Cross multiply
10,133,347.91x = 13,983,956.64 × 5,487,034.68 - Step 4: Simplify right side
10,133,347.91x = 76,730,455,047,296.28 - Step 5: Solve for x
x = 76,730,455,047,296.28/10,133,347.91 - Step 6: Final answer
x = 7,572,073.49
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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.