Finding the Fourth Proportional to 26,163,780.21, 39,242,675.70 and 6,996,031.94
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Solution
The fourth proportional to 26,163,780.21, 39,242,675.70 and 6,996,031.94 is: 10,493,247.17
Step by Step Solution
- Step 1: Write the proportion equation
26,163,780.21 : 39,242,675.70 = 6,996,031.94 : x - Step 2: Convert to fraction form
26,163,780.21/39,242,675.70 = 6,996,031.94/x - Step 3: Cross multiply
26,163,780.21x = 39,242,675.70 × 6,996,031.94 - Step 4: Simplify right side
26,163,780.21x = 274,543,012,706,368.56 - Step 5: Solve for x
x = 274,543,012,706,368.56/26,163,780.21 - Step 6: Final answer
x = 10,493,247.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.