Finding the Fourth Proportional to 47,312,536.68, 65,289,835.62 and 26,685,685.80
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Solution
The fourth proportional to 47,312,536.68, 65,289,835.62 and 26,685,685.80 is: 36,825,420.10
Step by Step Solution
- Step 1: Write the proportion equation
47,312,536.68 : 65,289,835.62 = 26,685,685.80 : x - Step 2: Convert to fraction form
47,312,536.68/65,289,835.62 = 26,685,685.80/x - Step 3: Cross multiply
47,312,536.68x = 65,289,835.62 × 26,685,685.80 - Step 4: Simplify right side
47,312,536.68x = 1,742,304,039,288,968.25 - Step 5: Solve for x
x = 1,742,304,039,288,968.25/47,312,536.68 - Step 6: Final answer
x = 36,825,420.10
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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.