Finding the Fourth Proportional to 19,679,515.08, 29,527,798.50 and 10,570,985.88
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Solution
The fourth proportional to 19,679,515.08, 29,527,798.50 and 10,570,985.88 is: 15,861,058.55
Step by Step Solution
- Step 1: Write the proportion equation
19,679,515.08 : 29,527,798.50 = 10,570,985.88 : x - Step 2: Convert to fraction form
19,679,515.08/29,527,798.50 = 10,570,985.88/x - Step 3: Cross multiply
19,679,515.08x = 29,527,798.50 × 10,570,985.88 - Step 4: Simplify right side
19,679,515.08x = 312,137,941,010,985.19 - Step 5: Solve for x
x = 312,137,941,010,985.19/19,679,515.08 - Step 6: Final answer
x = 15,861,058.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.