Finding the Fourth Proportional to 56,341,506.15, 84,517,967.30 and 19,448,587.62
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Solution
The fourth proportional to 56,341,506.15, 84,517,967.30 and 19,448,587.62 is: 29,174,851.81
Step by Step Solution
- Step 1: Write the proportion equation
56,341,506.15 : 84,517,967.30 = 19,448,587.62 : x - Step 2: Convert to fraction form
56,341,506.15/84,517,967.30 = 19,448,587.62/x - Step 3: Cross multiply
56,341,506.15x = 84,517,967.30 × 19,448,587.62 - Step 4: Simplify right side
56,341,506.15x = 1,643,755,092,401,102 - Step 5: Solve for x
x = 1,643,755,092,401,102/56,341,506.15 - Step 6: Final answer
x = 29,174,851.81
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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.