Finding the Fourth Proportional to 14,432,779.64, 19,917,077.36 and 7,817,203.52
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Solution
The fourth proportional to 14,432,779.64, 19,917,077.36 and 7,817,203.52 is: 10,787,654.99
Step by Step Solution
- Step 1: Write the proportion equation
14,432,779.64 : 19,917,077.36 = 7,817,203.52 : x - Step 2: Convert to fraction form
14,432,779.64/19,917,077.36 = 7,817,203.52/x - Step 3: Cross multiply
14,432,779.64x = 19,917,077.36 × 7,817,203.52 - Step 4: Simplify right side
14,432,779.64x = 155,695,847,246,704.28 - Step 5: Solve for x
x = 155,695,847,246,704.28/14,432,779.64 - Step 6: Final answer
x = 10,787,654.99
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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.