Finding the Fourth Proportional to 28,447,821.93, 42,671,843.61 and 6,882,389.02
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Solution
The fourth proportional to 28,447,821.93, 42,671,843.61 and 6,882,389.02 is: 10,323,610.32
Step by Step Solution
- Step 1: Write the proportion equation
28,447,821.93 : 42,671,843.61 = 6,882,389.02 : x - Step 2: Convert to fraction form
28,447,821.93/42,671,843.61 = 6,882,389.02/x - Step 3: Cross multiply
28,447,821.93x = 42,671,843.61 × 6,882,389.02 - Step 4: Simplify right side
28,447,821.93x = 293,684,227,924,621.12 - Step 5: Solve for x
x = 293,684,227,924,621.12/28,447,821.93 - Step 6: Final answer
x = 10,323,610.32
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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.