Finding the Fourth Proportional to 42,512,970.10, 63,779,574.97 and 13,759,105.68
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Solution
The fourth proportional to 42,512,970.10, 63,779,574.97 and 13,759,105.68 is: 20,641,933.75
Step by Step Solution
- Step 1: Write the proportion equation
42,512,970.10 : 63,779,574.97 = 13,759,105.68 : x - Step 2: Convert to fraction form
42,512,970.10/63,779,574.97 = 13,759,105.68/x - Step 3: Cross multiply
42,512,970.10x = 63,779,574.97 × 13,759,105.68 - Step 4: Simplify right side
42,512,970.10x = 877,549,912,094,858.88 - Step 5: Solve for x
x = 877,549,912,094,858.88/42,512,970.10 - Step 6: Final answer
x = 20,641,933.75
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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.