Finding the Fourth Proportional to 12,926,630.84, 17,838,745.98 and 7,125,509.12
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Solution
The fourth proportional to 12,926,630.84, 17,838,745.98 and 7,125,509.12 is: 9,833,200.06
Step by Step Solution
- Step 1: Write the proportion equation
12,926,630.84 : 17,838,745.98 = 7,125,509.12 : x - Step 2: Convert to fraction form
12,926,630.84/17,838,745.98 = 7,125,509.12/x - Step 3: Cross multiply
12,926,630.84x = 17,838,745.98 × 7,125,509.12 - Step 4: Simplify right side
12,926,630.84x = 127,110,147,169,853.34 - Step 5: Solve for x
x = 127,110,147,169,853.34/12,926,630.84 - Step 6: Final answer
x = 9,833,200.06
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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.