Finding the Fourth Proportional to 28,503,386.84, 42,755,094.84 and 6,937,992.20
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Solution
The fourth proportional to 28,503,386.84, 42,755,094.84 and 6,937,992.20 is: 10,406,991.85
Step by Step Solution
- Step 1: Write the proportion equation
28,503,386.84 : 42,755,094.84 = 6,937,992.20 : x - Step 2: Convert to fraction form
28,503,386.84/42,755,094.84 = 6,937,992.20/x - Step 3: Cross multiply
28,503,386.84x = 42,755,094.84 × 6,937,992.20 - Step 4: Simplify right side
28,503,386.84x = 296,634,514,510,180.25 - Step 5: Solve for x
x = 296,634,514,510,180.25/28,503,386.84 - Step 6: Final answer
x = 10,406,991.85
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1.5x scale
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.