Finding the Fourth Proportional to 9,889,228.08, 13,646,485.14 and 5,537,316.80
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Solution
The fourth proportional to 9,889,228.08, 13,646,485.14 and 5,537,316.80 is: 7,641,133.44
Step by Step Solution
- Step 1: Write the proportion equation
9,889,228.08 : 13,646,485.14 = 5,537,316.80 : x - Step 2: Convert to fraction form
9,889,228.08/13,646,485.14 = 5,537,316.80/x - Step 3: Cross multiply
9,889,228.08x = 13,646,485.14 × 5,537,316.80 - Step 4: Simplify right side
9,889,228.08x = 75,564,911,426,672.36 - Step 5: Solve for x
x = 75,564,911,426,672.36/9,889,228.08 - Step 6: Final answer
x = 7,641,133.44
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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.