Finding the Fourth Proportional to 28,666,306.05, 40,246,202.55 and 28,666,306.05
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Solution
The fourth proportional to 28,666,306.05, 40,246,202.55 and 28,666,306.05 is: 40,246,202.55
Step by Step Solution
- Step 1: Write the proportion equation
28,666,306.05 : 40,246,202.55 = 28,666,306.05 : x - Step 2: Convert to fraction form
28,666,306.05/40,246,202.55 = 28,666,306.05/x - Step 3: Cross multiply
28,666,306.05x = 40,246,202.55 × 28,666,306.05 - Step 4: Simplify right side
28,666,306.05x = 1,153,709,959,648,590.25 - Step 5: Solve for x
x = 1,153,709,959,648,590.25/28,666,306.05 - Step 6: Final answer
x = 40,246,202.55
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.