Finding the Fourth Proportional to 26,698,930.20, 40,048,395.30 and 7,529,437.80
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Solution
The fourth proportional to 26,698,930.20, 40,048,395.30 and 7,529,437.80 is: 11,294,156.70
Step by Step Solution
- Step 1: Write the proportion equation
26,698,930.20 : 40,048,395.30 = 7,529,437.80 : x - Step 2: Convert to fraction form
26,698,930.20/40,048,395.30 = 7,529,437.80/x - Step 3: Cross multiply
26,698,930.20x = 40,048,395.30 × 7,529,437.80 - Step 4: Simplify right side
26,698,930.20x = 301,541,901,401,162.31 - Step 5: Solve for x
x = 301,541,901,401,162.31/26,698,930.20 - Step 6: Final answer
x = 11,294,156.70
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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.