Finding the Fourth Proportional to 14,106,869.42, 19,467,693.12 and 7,913,289.08
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Solution
The fourth proportional to 14,106,869.42, 19,467,693.12 and 7,913,289.08 is: 10,920,458.59
Step by Step Solution
- Step 1: Write the proportion equation
14,106,869.42 : 19,467,693.12 = 7,913,289.08 : x - Step 2: Convert to fraction form
14,106,869.42/19,467,693.12 = 7,913,289.08/x - Step 3: Cross multiply
14,106,869.42x = 19,467,693.12 × 7,913,289.08 - Step 4: Simplify right side
14,106,869.42x = 154,053,483,379,287.12 - Step 5: Solve for x
x = 154,053,483,379,287.12/14,106,869.42 - Step 6: Final answer
x = 10,920,458.59
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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.