Finding the Fourth Proportional to 42,386,886.12, 63,589,810.62 and 15,460,542.12
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Solution
The fourth proportional to 42,386,886.12, 63,589,810.62 and 15,460,542.12 is: 23,194,271.52
Step by Step Solution
- Step 1: Write the proportion equation
42,386,886.12 : 63,589,810.62 = 15,460,542.12 : x - Step 2: Convert to fraction form
42,386,886.12/63,589,810.62 = 15,460,542.12/x - Step 3: Cross multiply
42,386,886.12x = 63,589,810.62 × 15,460,542.12 - Step 4: Simplify right side
42,386,886.12x = 983,132,945,493,333.25 - Step 5: Solve for x
x = 983,132,945,493,333.25/42,386,886.12 - Step 6: Final answer
x = 23,194,271.52
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1.5x scale
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.