Finding the Fourth Proportional to 10,938,316.55, 15,095,181.20 and 6,043,854.02
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Solution
The fourth proportional to 10,938,316.55, 15,095,181.20 and 6,043,854.02 is: 8,340,686.71
Step by Step Solution
- Step 1: Write the proportion equation
10,938,316.55 : 15,095,181.20 = 6,043,854.02 : x - Step 2: Convert to fraction form
10,938,316.55/15,095,181.20 = 6,043,854.02/x - Step 3: Cross multiply
10,938,316.55x = 15,095,181.20 × 6,043,854.02 - Step 4: Simplify right side
10,938,316.55x = 91,233,071,472,553.25 - Step 5: Solve for x
x = 91,233,071,472,553.25/10,938,316.55 - Step 6: Final answer
x = 8,340,686.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.