Finding the Fourth Proportional to 11,497,574.88, 15,866,669.09 and 6,270,595.66
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Solution
The fourth proportional to 11,497,574.88, 15,866,669.09 and 6,270,595.66 is: 8,653,430.60
Step by Step Solution
- Step 1: Write the proportion equation
11,497,574.88 : 15,866,669.09 = 6,270,595.66 : x - Step 2: Convert to fraction form
11,497,574.88/15,866,669.09 = 6,270,595.66/x - Step 3: Cross multiply
11,497,574.88x = 15,866,669.09 × 6,270,595.66 - Step 4: Simplify right side
11,497,574.88x = 99,493,466,334,410.16 - Step 5: Solve for x
x = 99,493,466,334,410.16/11,497,574.88 - Step 6: Final answer
x = 8,653,430.60
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1.5x scale
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.