Finding the Fourth Proportional to 17,771,962.88, 24,525,342.14 and 9,931,475.18
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Solution
The fourth proportional to 17,771,962.88, 24,525,342.14 and 9,931,475.18 is: 13,705,454.39
Step by Step Solution
- Step 1: Write the proportion equation
17,771,962.88 : 24,525,342.14 = 9,931,475.18 : x - Step 2: Convert to fraction form
17,771,962.88/24,525,342.14 = 9,931,475.18/x - Step 3: Cross multiply
17,771,962.88x = 24,525,342.14 × 9,931,475.18 - Step 4: Simplify right side
17,771,962.88x = 243,572,826,572,134.03 - Step 5: Solve for x
x = 243,572,826,572,134.03/17,771,962.88 - Step 6: Final answer
x = 13,705,454.39
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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.