Finding the Fourth Proportional to 39,470,739.18, 54,466,854.91 and 22,949,691.65
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Solution
The fourth proportional to 39,470,739.18, 54,466,854.91 and 22,949,691.65 is: 31,668,966.72
Step by Step Solution
- Step 1: Write the proportion equation
39,470,739.18 : 54,466,854.91 = 22,949,691.65 : x - Step 2: Convert to fraction form
39,470,739.18/54,466,854.91 = 22,949,691.65/x - Step 3: Cross multiply
39,470,739.18x = 54,466,854.91 × 22,949,691.65 - Step 4: Simplify right side
39,470,739.18x = 1,249,997,525,333,422.75 - Step 5: Solve for x
x = 1,249,997,525,333,422.75/39,470,739.18 - Step 6: Final answer
x = 31,668,966.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.