Finding the Fourth Proportional to 6,985,490.40, 9,634,780.44 and 6,168,252.24
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Solution
The fourth proportional to 6,985,490.40, 9,634,780.44 and 6,168,252.24 is: 8,507,599.70
Step by Step Solution
- Step 1: Write the proportion equation
6,985,490.40 : 9,634,780.44 = 6,168,252.24 : x - Step 2: Convert to fraction form
6,985,490.40/9,634,780.44 = 6,168,252.24/x - Step 3: Cross multiply
6,985,490.40x = 9,634,780.44 × 6,168,252.24 - Step 4: Simplify right side
6,985,490.40x = 59,429,756,030,938.19 - Step 5: Solve for x
x = 59,429,756,030,938.19/6,985,490.40 - Step 6: Final answer
x = 8,507,599.70
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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.