Finding the Fourth Proportional to 7,856,810.28, 11,781,779.04 and 3,963,871.68
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Solution
The fourth proportional to 7,856,810.28, 11,781,779.04 and 3,963,871.68 is: 5,944,073.82
Step by Step Solution
- Step 1: Write the proportion equation
7,856,810.28 : 11,781,779.04 = 3,963,871.68 : x - Step 2: Convert to fraction form
7,856,810.28/11,781,779.04 = 3,963,871.68/x - Step 3: Cross multiply
7,856,810.28x = 11,781,779.04 × 3,963,871.68 - Step 4: Simplify right side
7,856,810.28x = 46,701,460,276,673.59 - Step 5: Solve for x
x = 46,701,460,276,673.59/7,856,810.28 - Step 6: Final answer
x = 5,944,073.82
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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.