Finding the Fourth Proportional to 10,999,132.44, 15,180,627.06 and 6,415,453.68
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Solution
The fourth proportional to 10,999,132.44, 15,180,627.06 and 6,415,453.68 is: 8,854,390.13
Step by Step Solution
- Step 1: Write the proportion equation
10,999,132.44 : 15,180,627.06 = 6,415,453.68 : x - Step 2: Convert to fraction form
10,999,132.44/15,180,627.06 = 6,415,453.68/x - Step 3: Cross multiply
10,999,132.44x = 15,180,627.06 × 6,415,453.68 - Step 4: Simplify right side
10,999,132.44x = 97,390,609,736,784.58 - Step 5: Solve for x
x = 97,390,609,736,784.58/10,999,132.44 - Step 6: Final answer
x = 8,854,390.13
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.