Finding the Fourth Proportional to 26,604,981.68, 39,907,556.28 and 7,435,612.40
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Solution
The fourth proportional to 26,604,981.68, 39,907,556.28 and 7,435,612.40 is: 11,153,442.01
Step by Step Solution
- Step 1: Write the proportion equation
26,604,981.68 : 39,907,556.28 = 7,435,612.40 : x - Step 2: Convert to fraction form
26,604,981.68/39,907,556.28 = 7,435,612.40/x - Step 3: Cross multiply
26,604,981.68x = 39,907,556.28 × 7,435,612.40 - Step 4: Simplify right side
26,604,981.68x = 296,737,120,329,265.88 - Step 5: Solve for x
x = 296,737,120,329,265.88/26,604,981.68 - Step 6: Final answer
x = 11,153,442.01
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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.