Finding the Fourth Proportional to 10,316,727.60, 15,438,349.80 and 8,983,532.40
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Solution
The fourth proportional to 10,316,727.60, 15,438,349.80 and 8,983,532.40 is: 13,443,304.99
Step by Step Solution
- Step 1: Write the proportion equation
10,316,727.60 : 15,438,349.80 = 8,983,532.40 : x - Step 2: Convert to fraction form
10,316,727.60/15,438,349.80 = 8,983,532.40/x - Step 3: Cross multiply
10,316,727.60x = 15,438,349.80 × 8,983,532.40 - Step 4: Simplify right side
10,316,727.60x = 138,690,915,630,833.53 - Step 5: Solve for x
x = 138,690,915,630,833.53/10,316,727.60 - Step 6: Final answer
x = 13,443,304.99
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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.