Finding the Fourth Proportional to 39,872,515.16, 59,817,556.84 and 12,206,641.90
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Solution
The fourth proportional to 39,872,515.16, 59,817,556.84 and 12,206,641.90 is: 18,312,652.03
Step by Step Solution
- Step 1: Write the proportion equation
39,872,515.16 : 59,817,556.84 = 12,206,641.90 : x - Step 2: Convert to fraction form
39,872,515.16/59,817,556.84 = 12,206,641.90/x - Step 3: Cross multiply
39,872,515.16x = 59,817,556.84 × 12,206,641.90 - Step 4: Simplify right side
39,872,515.16x = 730,171,495,678,775.62 - Step 5: Solve for x
x = 730,171,495,678,775.62/39,872,515.16 - Step 6: Final answer
x = 18,312,652.03
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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.