Finding the Fourth Proportional to 26,159,431.68, 39,182,434.56 and 12,667,968
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Solution
The fourth proportional to 26,159,431.68, 39,182,434.56 and 12,667,968 is: 18,974,488.18
Step by Step Solution
- Step 1: Write the proportion equation
26,159,431.68 : 39,182,434.56 = 12,667,968 : x - Step 2: Convert to fraction form
26,159,431.68/39,182,434.56 = 12,667,968/x - Step 3: Cross multiply
26,159,431.68x = 39,182,434.56 × 12,667,968 - Step 4: Simplify right side
26,159,431.68x = 496,361,827,168,174.12 - Step 5: Solve for x
x = 496,361,827,168,174.12/26,159,431.68 - Step 6: Final answer
x = 18,974,488.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.