Finding the Fourth Proportional to 13,176,683.55, 19,739,283.62 and 9,077,280.53
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Solution
The fourth proportional to 13,176,683.55, 19,739,283.62 and 9,077,280.53 is: 13,598,187.59
Step by Step Solution
- Step 1: Write the proportion equation
13,176,683.55 : 19,739,283.62 = 9,077,280.53 : x - Step 2: Convert to fraction form
13,176,683.55/19,739,283.62 = 9,077,280.53/x - Step 3: Cross multiply
13,176,683.55x = 19,739,283.62 × 9,077,280.53 - Step 4: Simplify right side
13,176,683.55x = 179,179,014,735,891.09 - Step 5: Solve for x
x = 179,179,014,735,891.09/13,176,683.55 - Step 6: Final answer
x = 13,598,187.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.