Finding the Fourth Proportional to 14,273,529.65, 19,697,421.24 and 7,747,159.08
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Solution
The fourth proportional to 14,273,529.65, 19,697,421.24 and 7,747,159.08 is: 10,691,052.57
Step by Step Solution
- Step 1: Write the proportion equation
14,273,529.65 : 19,697,421.24 = 7,747,159.08 : x - Step 2: Convert to fraction form
14,273,529.65/19,697,421.24 = 7,747,159.08/x - Step 3: Cross multiply
14,273,529.65x = 19,697,421.24 × 7,747,159.08 - Step 4: Simplify right side
14,273,529.65x = 152,599,055,885,916.19 - Step 5: Solve for x
x = 152,599,055,885,916.19/14,273,529.65 - Step 6: Final answer
x = 10,691,052.57
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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.