Finding the Fourth Proportional to 28,155,562.67, 42,249,320.94 and 15,201,540.68
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Solution
The fourth proportional to 28,155,562.67, 42,249,320.94 and 15,201,540.68 is: 22,810,937.16
Step by Step Solution
- Step 1: Write the proportion equation
28,155,562.67 : 42,249,320.94 = 15,201,540.68 : x - Step 2: Convert to fraction form
28,155,562.67/42,249,320.94 = 15,201,540.68/x - Step 3: Cross multiply
28,155,562.67x = 42,249,320.94 × 15,201,540.68 - Step 4: Simplify right side
28,155,562.67x = 642,254,770,760,539.25 - Step 5: Solve for x
x = 642,254,770,760,539.25/28,155,562.67 - Step 6: Final answer
x = 22,810,937.16
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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.