Finding the Fourth Proportional to 34,209,862.48, 47,209,619.10 and 18,740,497.12
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Solution
The fourth proportional to 34,209,862.48, 47,209,619.10 and 18,740,497.12 is: 25,861,890.89
Step by Step Solution
- Step 1: Write the proportion equation
34,209,862.48 : 47,209,619.10 = 18,740,497.12 : x - Step 2: Convert to fraction form
34,209,862.48/47,209,619.10 = 18,740,497.12/x - Step 3: Cross multiply
34,209,862.48x = 47,209,619.10 × 18,740,497.12 - Step 4: Simplify right side
34,209,862.48x = 884,731,730,779,847.12 - Step 5: Solve for x
x = 884,731,730,779,847.12/34,209,862.48 - Step 6: Final answer
x = 25,861,890.89
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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.