Finding the Fourth Proportional to 28,337,448.84, 39,098,740.68 and 15,945,126
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Solution
The fourth proportional to 28,337,448.84, 39,098,740.68 and 15,945,126 is: 22,000,369.55
Step by Step Solution
- Step 1: Write the proportion equation
28,337,448.84 : 39,098,740.68 = 15,945,126 : x - Step 2: Convert to fraction form
28,337,448.84/39,098,740.68 = 15,945,126/x - Step 3: Cross multiply
28,337,448.84x = 39,098,740.68 × 15,945,126 - Step 4: Simplify right side
28,337,448.84x = 623,434,346,583,925.62 - Step 5: Solve for x
x = 623,434,346,583,925.62/28,337,448.84 - Step 6: Final answer
x = 22,000,369.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.