Finding the Fourth Proportional to 36,885,389.60, 55,363,513.80 and 18,710,107.40
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Solution
The fourth proportional to 36,885,389.60, 55,363,513.80 and 18,710,107.40 is: 28,083,132.66
Step by Step Solution
- Step 1: Write the proportion equation
36,885,389.60 : 55,363,513.80 = 18,710,107.40 : x - Step 2: Convert to fraction form
36,885,389.60/55,363,513.80 = 18,710,107.40/x - Step 3: Cross multiply
36,885,389.60x = 55,363,513.80 × 18,710,107.40 - Step 4: Simplify right side
36,885,389.60x = 1,035,857,289,239,382 - Step 5: Solve for x
x = 1,035,857,289,239,382/36,885,389.60 - Step 6: Final answer
x = 28,083,132.66
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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.