Finding the Fourth Proportional to 13,285,014.68, 19,854,732.80 and 9,698,334.68
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Solution
The fourth proportional to 13,285,014.68, 19,854,732.80 and 9,698,334.68 is: 14,494,364.39
Step by Step Solution
- Step 1: Write the proportion equation
13,285,014.68 : 19,854,732.80 = 9,698,334.68 : x - Step 2: Convert to fraction form
13,285,014.68/19,854,732.80 = 9,698,334.68/x - Step 3: Cross multiply
13,285,014.68x = 19,854,732.80 × 9,698,334.68 - Step 4: Simplify right side
13,285,014.68x = 192,557,843,676,373.50 - Step 5: Solve for x
x = 192,557,843,676,373.50/13,285,014.68 - Step 6: Final answer
x = 14,494,364.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.