Finding the Fourth Proportional to 17,620,762.81, 24,316,286.27 and 9,779,815.08
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Solution
The fourth proportional to 17,620,762.81, 24,316,286.27 and 9,779,815.08 is: 13,495,941.45
Step by Step Solution
- Step 1: Write the proportion equation
17,620,762.81 : 24,316,286.27 = 9,779,815.08 : x - Step 2: Convert to fraction form
17,620,762.81/24,316,286.27 = 9,779,815.08/x - Step 3: Cross multiply
17,620,762.81x = 24,316,286.27 × 9,779,815.08 - Step 4: Simplify right side
17,620,762.81x = 237,808,783,152,942.94 - Step 5: Solve for x
x = 237,808,783,152,942.94/17,620,762.81 - Step 6: Final answer
x = 13,495,941.45
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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.