Finding the Fourth Proportional to 12,326,924.79, 18,492,908.99 and 4,238,849.61
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Solution
The fourth proportional to 12,326,924.79, 18,492,908.99 and 4,238,849.61 is: 6,359,141.58
Step by Step Solution
- Step 1: Write the proportion equation
12,326,924.79 : 18,492,908.99 = 4,238,849.61 : x - Step 2: Convert to fraction form
12,326,924.79/18,492,908.99 = 4,238,849.61/x - Step 3: Cross multiply
12,326,924.79x = 18,492,908.99 × 4,238,849.61 - Step 4: Simplify right side
12,326,924.79x = 78,388,660,038,832.75 - Step 5: Solve for x
x = 78,388,660,038,832.75/12,326,924.79 - Step 6: Final answer
x = 6,359,141.58
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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.