Finding the Fourth Proportional to 13,934,703.17, 20,904,746.52 and 5,298,132.08
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Solution
The fourth proportional to 13,934,703.17, 20,904,746.52 and 5,298,132.08 is: 7,948,221.55
Step by Step Solution
- Step 1: Write the proportion equation
13,934,703.17 : 20,904,746.52 = 5,298,132.08 : x - Step 2: Convert to fraction form
13,934,703.17/20,904,746.52 = 5,298,132.08/x - Step 3: Cross multiply
13,934,703.17x = 20,904,746.52 × 5,298,132.08 - Step 4: Simplify right side
13,934,703.17x = 110,756,108,057,356.62 - Step 5: Solve for x
x = 110,756,108,057,356.62/13,934,703.17 - Step 6: Final answer
x = 7,948,221.55
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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.