Finding the Fourth Proportional to 9,210,405.16, 13,797,655.21 and 5,607,235.18
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Solution
The fourth proportional to 9,210,405.16, 13,797,655.21 and 5,607,235.18 is: 8,399,923.39
Step by Step Solution
- Step 1: Write the proportion equation
9,210,405.16 : 13,797,655.21 = 5,607,235.18 : x - Step 2: Convert to fraction form
9,210,405.16/13,797,655.21 = 5,607,235.18/x - Step 3: Cross multiply
9,210,405.16x = 13,797,655.21 × 5,607,235.18 - Step 4: Simplify right side
9,210,405.16x = 77,366,697,695,022.28 - Step 5: Solve for x
x = 77,366,697,695,022.28/9,210,405.16 - Step 6: Final answer
x = 8,399,923.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.