Finding the Fourth Proportional to 10,127,995.74, 13,976,633.04 and 5,481,780.00
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Solution
The fourth proportional to 10,127,995.74, 13,976,633.04 and 5,481,780.00 is: 7,564,855.82
Step by Step Solution
- Step 1: Write the proportion equation
10,127,995.74 : 13,976,633.04 = 5,481,780.00 : x - Step 2: Convert to fraction form
10,127,995.74/13,976,633.04 = 5,481,780.00/x - Step 3: Cross multiply
10,127,995.74x = 13,976,633.04 × 5,481,780.00 - Step 4: Simplify right side
10,127,995.74x = 76,616,827,502,495.72 - Step 5: Solve for x
x = 76,616,827,502,495.72/10,127,995.74 - Step 6: Final answer
x = 7,564,855.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.