Finding the Fourth Proportional to 15,213,276.70, 22,827,406.91 and 7,124,855.42
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Solution
The fourth proportional to 15,213,276.70, 22,827,406.91 and 7,124,855.42 is: 10,690,791.81
Step by Step Solution
- Step 1: Write the proportion equation
15,213,276.70 : 22,827,406.91 = 7,124,855.42 : x - Step 2: Convert to fraction form
15,213,276.70/22,827,406.91 = 7,124,855.42/x - Step 3: Cross multiply
15,213,276.70x = 22,827,406.91 × 7,124,855.42 - Step 4: Simplify right side
15,213,276.70x = 162,641,973,868,703.22 - Step 5: Solve for x
x = 162,641,973,868,703.22/15,213,276.70 - Step 6: Final answer
x = 10,690,791.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.