Finding the Fourth Proportional to 9,878,254.97, 14,798,210.00 and 7,279,840.68
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Solution
The fourth proportional to 9,878,254.97, 14,798,210.00 and 7,279,840.68 is: 10,905,631.76
Step by Step Solution
- Step 1: Write the proportion equation
9,878,254.97 : 14,798,210.00 = 7,279,840.68 : x - Step 2: Convert to fraction form
9,878,254.97/14,798,210.00 = 7,279,840.68/x - Step 3: Cross multiply
9,878,254.97x = 14,798,210.00 × 7,279,840.68 - Step 4: Simplify right side
9,878,254.97x = 107,728,611,038,792.53 - Step 5: Solve for x
x = 107,728,611,038,792.53/9,878,254.97 - Step 6: Final answer
x = 10,905,631.76
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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.