Finding the Fourth Proportional to 42,217,558.08, 58,260,342.40 and 22,901,974.08
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Solution
The fourth proportional to 42,217,558.08, 58,260,342.40 and 22,901,974.08 is: 31,604,785.12
Step by Step Solution
- Step 1: Write the proportion equation
42,217,558.08 : 58,260,342.40 = 22,901,974.08 : x - Step 2: Convert to fraction form
42,217,558.08/58,260,342.40 = 22,901,974.08/x - Step 3: Cross multiply
42,217,558.08x = 58,260,342.40 × 22,901,974.08 - Step 4: Simplify right side
42,217,558.08x = 1,334,276,851,536,724.75 - Step 5: Solve for x
x = 1,334,276,851,536,724.75/42,217,558.08 - Step 6: Final answer
x = 31,604,785.12
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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.