Finding the Fourth Proportional to 19,752,219.80, 29,607,487.50 and 10,651,840.64
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Solution
The fourth proportional to 19,752,219.80, 29,607,487.50 and 10,651,840.64 is: 15,966,521.32
Step by Step Solution
- Step 1: Write the proportion equation
19,752,219.80 : 29,607,487.50 = 10,651,840.64 : x - Step 2: Convert to fraction form
19,752,219.80/29,607,487.50 = 10,651,840.64/x - Step 3: Cross multiply
19,752,219.80x = 29,607,487.50 × 10,651,840.64 - Step 4: Simplify right side
19,752,219.80x = 315,374,238,600,792 - Step 5: Solve for x
x = 315,374,238,600,792/19,752,219.80 - Step 6: Final answer
x = 15,966,521.32
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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.