Finding the Fourth Proportional to 12,485,740.66, 18,715,840.74 and 6,326,312.14
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Solution
The fourth proportional to 12,485,740.66, 18,715,840.74 and 6,326,312.14 is: 9,482,997.74
Step by Step Solution
- Step 1: Write the proportion equation
12,485,740.66 : 18,715,840.74 = 6,326,312.14 : x - Step 2: Convert to fraction form
12,485,740.66/18,715,840.74 = 6,326,312.14/x - Step 3: Cross multiply
12,485,740.66x = 18,715,840.74 × 6,326,312.14 - Step 4: Simplify right side
12,485,740.66x = 118,402,250,483,768.56 - Step 5: Solve for x
x = 118,402,250,483,768.56/12,485,740.66 - Step 6: Final answer
x = 9,482,997.74
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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.