Finding the Fourth Proportional to 53,655,513.70, 80,483,270.55 and 19,565,529.70
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Solution
The fourth proportional to 53,655,513.70, 80,483,270.55 and 19,565,529.70 is: 29,348,294.55
Step by Step Solution
- Step 1: Write the proportion equation
53,655,513.70 : 80,483,270.55 = 19,565,529.70 : x - Step 2: Convert to fraction form
53,655,513.70/80,483,270.55 = 19,565,529.70/x - Step 3: Cross multiply
53,655,513.70x = 80,483,270.55 × 19,565,529.70 - Step 4: Simplify right side
53,655,513.70x = 1,574,697,820,299,160.25 - Step 5: Solve for x
x = 1,574,697,820,299,160.25/53,655,513.70 - Step 6: Final answer
x = 29,348,294.55
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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.