Finding the Fourth Proportional to 26,815,134.98, 40,226,704.68 and 12,439,656.02
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Solution
The fourth proportional to 26,815,134.98, 40,226,704.68 and 12,439,656.02 is: 18,661,340.67
Step by Step Solution
- Step 1: Write the proportion equation
26,815,134.98 : 40,226,704.68 = 12,439,656.02 : x - Step 2: Convert to fraction form
26,815,134.98/40,226,704.68 = 12,439,656.02/x - Step 3: Cross multiply
26,815,134.98x = 40,226,704.68 × 12,439,656.02 - Step 4: Simplify right side
26,815,134.98x = 500,406,369,037,324.12 - Step 5: Solve for x
x = 500,406,369,037,324.12/26,815,134.98 - Step 6: Final answer
x = 18,661,340.67
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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.