Finding the Fourth Proportional to 19,442,415.90, 29,156,625.45 and 9,854,607.90
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Solution
The fourth proportional to 19,442,415.90, 29,156,625.45 and 9,854,607.90 is: 14,778,364.63
Step by Step Solution
- Step 1: Write the proportion equation
19,442,415.90 : 29,156,625.45 = 9,854,607.90 : x - Step 2: Convert to fraction form
19,442,415.90/29,156,625.45 = 9,854,607.90/x - Step 3: Cross multiply
19,442,415.90x = 29,156,625.45 × 9,854,607.90 - Step 4: Simplify right side
19,442,415.90x = 287,327,111,496,911.06 - Step 5: Solve for x
x = 287,327,111,496,911.06/19,442,415.90 - Step 6: Final answer
x = 14,778,364.63
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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.