Finding the Fourth Proportional to 19,985,283.52, 29,980,784.88 and 6,153,412.56
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Solution
The fourth proportional to 19,985,283.52, 29,980,784.88 and 6,153,412.56 is: 9,230,999.30
Step by Step Solution
- Step 1: Write the proportion equation
19,985,283.52 : 29,980,784.88 = 6,153,412.56 : x - Step 2: Convert to fraction form
19,985,283.52/29,980,784.88 = 6,153,412.56/x - Step 3: Cross multiply
19,985,283.52x = 29,980,784.88 × 6,153,412.56 - Step 4: Simplify right side
19,985,283.52x = 184,484,138,239,250.06 - Step 5: Solve for x
x = 184,484,138,239,250.06/19,985,283.52 - Step 6: Final answer
x = 9,230,999.30
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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.