Finding the Fourth Proportional to 39,929,248.30, 59,887,878.18 and 12,631,994.18
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Solution
The fourth proportional to 39,929,248.30, 59,887,878.18 and 12,631,994.18 is: 18,946,094.93
Step by Step Solution
- Step 1: Write the proportion equation
39,929,248.30 : 59,887,878.18 = 12,631,994.18 : x - Step 2: Convert to fraction form
39,929,248.30/59,887,878.18 = 12,631,994.18/x - Step 3: Cross multiply
39,929,248.30x = 59,887,878.18 × 12,631,994.18 - Step 4: Simplify right side
39,929,248.30x = 756,503,328,841,612.25 - Step 5: Solve for x
x = 756,503,328,841,612.25/39,929,248.30 - Step 6: Final answer
x = 18,946,094.93
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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.