Finding the Fourth Proportional to 36,976,867.74, 51,028,038.99 and 20,679,343.74
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Solution
The fourth proportional to 36,976,867.74, 51,028,038.99 and 20,679,343.74 is: 28,537,472.83
Step by Step Solution
- Step 1: Write the proportion equation
36,976,867.74 : 51,028,038.99 = 20,679,343.74 : x - Step 2: Convert to fraction form
36,976,867.74/51,028,038.99 = 20,679,343.74/x - Step 3: Cross multiply
36,976,867.74x = 51,028,038.99 × 20,679,343.74 - Step 4: Simplify right side
36,976,867.74x = 1,055,226,358,652,332.38 - Step 5: Solve for x
x = 1,055,226,358,652,332.38/36,976,867.74 - Step 6: Final answer
x = 28,537,472.83
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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.