Finding the Fourth Proportional to 21,564,894.47, 29,759,698.49 and 11,775,407.00
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Solution
The fourth proportional to 21,564,894.47, 29,759,698.49 and 11,775,407.00 is: 16,250,140.35
Step by Step Solution
- Step 1: Write the proportion equation
21,564,894.47 : 29,759,698.49 = 11,775,407.00 : x - Step 2: Convert to fraction form
21,564,894.47/29,759,698.49 = 11,775,407.00/x - Step 3: Cross multiply
21,564,894.47x = 29,759,698.49 × 11,775,407.00 - Step 4: Simplify right side
21,564,894.47x = 350,432,561,709,359.88 - Step 5: Solve for x
x = 350,432,561,709,359.88/21,564,894.47 - Step 6: Final answer
x = 16,250,140.35
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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.