Finding the Fourth Proportional to 9,742,658.26, 13,444,893.93 and 5,392,044.58
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Solution
The fourth proportional to 9,742,658.26, 13,444,893.93 and 5,392,044.58 is: 7,441,035.65
Step by Step Solution
- Step 1: Write the proportion equation
9,742,658.26 : 13,444,893.93 = 5,392,044.58 : x - Step 2: Convert to fraction form
9,742,658.26/13,444,893.93 = 5,392,044.58/x - Step 3: Cross multiply
9,742,658.26x = 13,444,893.93 × 5,392,044.58 - Step 4: Simplify right side
9,742,658.26x = 72,495,467,443,931.41 - Step 5: Solve for x
x = 72,495,467,443,931.41/9,742,658.26 - Step 6: Final answer
x = 7,441,035.65
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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.