Finding the Fourth Proportional to 15,107,187.81, 22,658,505.02 and 9,680,206.68
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Solution
The fourth proportional to 15,107,187.81, 22,658,505.02 and 9,680,206.68 is: 14,518,851.19
Step by Step Solution
- Step 1: Write the proportion equation
15,107,187.81 : 22,658,505.02 = 9,680,206.68 : x - Step 2: Convert to fraction form
15,107,187.81/22,658,505.02 = 9,680,206.68/x - Step 3: Cross multiply
15,107,187.81x = 22,658,505.02 × 9,680,206.68 - Step 4: Simplify right side
15,107,187.81x = 219,339,011,762,587.44 - Step 5: Solve for x
x = 219,339,011,762,587.44/15,107,187.81 - Step 6: Final answer
x = 14,518,851.19
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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.