Finding the Fourth Proportional to 33,249,751.20, 49,849,743.60 and 18,120,765.60
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Solution
The fourth proportional to 33,249,751.20, 49,849,743.60 and 18,120,765.60 is: 27,167,587.32
Step by Step Solution
- Step 1: Write the proportion equation
33,249,751.20 : 49,849,743.60 = 18,120,765.60 : x - Step 2: Convert to fraction form
33,249,751.20/49,849,743.60 = 18,120,765.60/x - Step 3: Cross multiply
33,249,751.20x = 49,849,743.60 × 18,120,765.60 - Step 4: Simplify right side
33,249,751.20x = 903,315,518,995,700.25 - Step 5: Solve for x
x = 903,315,518,995,700.25/33,249,751.20 - Step 6: Final answer
x = 27,167,587.32
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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.