Finding the Fourth Proportional to 9,769,737.68, 13,488,354.14 and 6,291,128.28
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Solution
The fourth proportional to 9,769,737.68, 13,488,354.14 and 6,291,128.28 is: 8,685,695.46
Step by Step Solution
- Step 1: Write the proportion equation
9,769,737.68 : 13,488,354.14 = 6,291,128.28 : x - Step 2: Convert to fraction form
9,769,737.68/13,488,354.14 = 6,291,128.28/x - Step 3: Cross multiply
9,769,737.68x = 13,488,354.14 × 6,291,128.28 - Step 4: Simplify right side
9,769,737.68x = 84,856,966,180,809.09 - Step 5: Solve for x
x = 84,856,966,180,809.09/9,769,737.68 - Step 6: Final answer
x = 8,685,695.46
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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.