Finding the Fourth Proportional to 9,624,677.68, 13,281,171.96 and 5,549,509.36
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Solution
The fourth proportional to 9,624,677.68, 13,281,171.96 and 5,549,509.36 is: 7,657,813.65
Step by Step Solution
- Step 1: Write the proportion equation
9,624,677.68 : 13,281,171.96 = 5,549,509.36 : x - Step 2: Convert to fraction form
9,624,677.68/13,281,171.96 = 5,549,509.36/x - Step 3: Cross multiply
9,624,677.68x = 13,281,171.96 × 5,549,509.36 - Step 4: Simplify right side
9,624,677.68x = 73,703,988,103,789.56 - Step 5: Solve for x
x = 73,703,988,103,789.56/9,624,677.68 - Step 6: Final answer
x = 7,657,813.65
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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.