Finding the Fourth Proportional to 10,554,898.80, 14,567,323.86 and 6,687,780.60
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Solution
The fourth proportional to 10,554,898.80, 14,567,323.86 and 6,687,780.60 is: 9,230,127.90
Step by Step Solution
- Step 1: Write the proportion equation
10,554,898.80 : 14,567,323.86 = 6,687,780.60 : x - Step 2: Convert to fraction form
10,554,898.80/14,567,323.86 = 6,687,780.60/x - Step 3: Cross multiply
10,554,898.80x = 14,567,323.86 × 6,687,780.60 - Step 4: Simplify right side
10,554,898.80x = 97,423,065,904,825.11 - Step 5: Solve for x
x = 97,423,065,904,825.11/10,554,898.80 - Step 6: Final answer
x = 9,230,127.90
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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.