Finding the Fourth Proportional to 9,706,420.40, 14,559,630.60 and 2,973,959.60
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Solution
The fourth proportional to 9,706,420.40, 14,559,630.60 and 2,973,959.60 is: 4,460,939.40
Step by Step Solution
- Step 1: Write the proportion equation
9,706,420.40 : 14,559,630.60 = 2,973,959.60 : x - Step 2: Convert to fraction form
9,706,420.40/14,559,630.60 = 2,973,959.60/x - Step 3: Cross multiply
9,706,420.40x = 14,559,630.60 × 2,973,959.60 - Step 4: Simplify right side
9,706,420.40x = 43,299,753,195,323.76 - Step 5: Solve for x
x = 43,299,753,195,323.76/9,706,420.40 - Step 6: Final answer
x = 4,460,939.40
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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.