Finding the Fourth Proportional to 7,487,330.60, 11,232,237.45 and 2,628,377.03
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Solution
The fourth proportional to 7,487,330.60, 11,232,237.45 and 2,628,377.03 is: 3,943,001.38
Step by Step Solution
- Step 1: Write the proportion equation
7,487,330.60 : 11,232,237.45 = 2,628,377.03 : x - Step 2: Convert to fraction form
7,487,330.60/11,232,237.45 = 2,628,377.03/x - Step 3: Cross multiply
7,487,330.60x = 11,232,237.45 × 2,628,377.03 - Step 4: Simplify right side
7,487,330.60x = 29,522,554,909,085.77 - Step 5: Solve for x
x = 29,522,554,909,085.77/7,487,330.60 - Step 6: Final answer
x = 3,943,001.38
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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.