Finding the Fourth Proportional to 13,375,972.74, 18,458,950.80 and 7,264,444.98
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Solution
The fourth proportional to 13,375,972.74, 18,458,950.80 and 7,264,444.98 is: 10,024,992.95
Step by Step Solution
- Step 1: Write the proportion equation
13,375,972.74 : 18,458,950.80 = 7,264,444.98 : x - Step 2: Convert to fraction form
13,375,972.74/18,458,950.80 = 7,264,444.98/x - Step 3: Cross multiply
13,375,972.74x = 18,458,950.80 × 7,264,444.98 - Step 4: Simplify right side
13,375,972.74x = 134,094,032,475,127 - Step 5: Solve for x
x = 134,094,032,475,127/13,375,972.74 - Step 6: Final answer
x = 10,024,992.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.