Finding the Fourth Proportional to 19,937,145.60, 29,905,718.40 and 6,473,973.60
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Solution
The fourth proportional to 19,937,145.60, 29,905,718.40 and 6,473,973.60 is: 9,710,960.40
Step by Step Solution
- Step 1: Write the proportion equation
19,937,145.60 : 29,905,718.40 = 6,473,973.60 : x - Step 2: Convert to fraction form
19,937,145.60/29,905,718.40 = 6,473,973.60/x - Step 3: Cross multiply
19,937,145.60x = 29,905,718.40 × 6,473,973.60 - Step 4: Simplify right side
19,937,145.60x = 193,608,831,410,634.22 - Step 5: Solve for x
x = 193,608,831,410,634.22/19,937,145.60 - Step 6: Final answer
x = 9,710,960.40
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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.