Finding the Fourth Proportional to 28,058,230.44, 42,088,978.58 and 7,865,047.08
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Solution
The fourth proportional to 28,058,230.44, 42,088,978.58 and 7,865,047.08 is: 11,798,028.35
Step by Step Solution
- Step 1: Write the proportion equation
28,058,230.44 : 42,088,978.58 = 7,865,047.08 : x - Step 2: Convert to fraction form
28,058,230.44/42,088,978.58 = 7,865,047.08/x - Step 3: Cross multiply
28,058,230.44x = 42,088,978.58 × 7,865,047.08 - Step 4: Simplify right side
28,058,230.44x = 331,031,798,080,811.56 - Step 5: Solve for x
x = 331,031,798,080,811.56/28,058,230.44 - Step 6: Final answer
x = 11,798,028.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.