Finding the Fourth Proportional to 19,985,272.57, 29,980,768.51 and 6,153,401.63
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Solution
The fourth proportional to 19,985,272.57, 29,980,768.51 and 6,153,401.63 is: 9,230,982.92
Step by Step Solution
- Step 1: Write the proportion equation
19,985,272.57 : 29,980,768.51 = 6,153,401.63 : x - Step 2: Convert to fraction form
19,985,272.57/29,980,768.51 = 6,153,401.63/x - Step 3: Cross multiply
19,985,272.57x = 29,980,768.51 × 6,153,401.63 - Step 4: Simplify right side
19,985,272.57x = 184,483,709,668,182.84 - Step 5: Solve for x
x = 184,483,709,668,182.84/19,985,272.57 - Step 6: Final answer
x = 9,230,982.92
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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.