Finding the Fourth Proportional to 26,611,774.40, 39,917,395.48 and 8,415,972.67
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Solution
The fourth proportional to 26,611,774.40, 39,917,395.48 and 8,415,972.67 is: 12,623,874.85
Step by Step Solution
- Step 1: Write the proportion equation
26,611,774.40 : 39,917,395.48 = 8,415,972.67 : x - Step 2: Convert to fraction form
26,611,774.40/39,917,395.48 = 8,415,972.67/x - Step 3: Cross multiply
26,611,774.40x = 39,917,395.48 × 8,415,972.67 - Step 4: Simplify right side
26,611,774.40x = 335,943,709,417,261.50 - Step 5: Solve for x
x = 335,943,709,417,261.50/26,611,774.40 - Step 6: Final answer
x = 12,623,874.85
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1.5x scale
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.