Finding the Fourth Proportional to 7,842,149.76, 10,820,992.69 and 4,403,726.49
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Solution
The fourth proportional to 7,842,149.76, 10,820,992.69 and 4,403,726.49 is: 6,076,483.31
Step by Step Solution
- Step 1: Write the proportion equation
7,842,149.76 : 10,820,992.69 = 4,403,726.49 : x - Step 2: Convert to fraction form
7,842,149.76/10,820,992.69 = 4,403,726.49/x - Step 3: Cross multiply
7,842,149.76x = 10,820,992.69 × 4,403,726.49 - Step 4: Simplify right side
7,842,149.76x = 47,652,692,135,030.73 - Step 5: Solve for x
x = 47,652,692,135,030.73/7,842,149.76 - Step 6: Final answer
x = 6,076,483.31
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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.