Finding the Fourth Proportional to 26,285,938.08, 39,432,642.84 and 8,091,646.80
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Solution
The fourth proportional to 26,285,938.08, 39,432,642.84 and 8,091,646.80 is: 12,138,620.17
Step by Step Solution
- Step 1: Write the proportion equation
26,285,938.08 : 39,432,642.84 = 8,091,646.80 : x - Step 2: Convert to fraction form
26,285,938.08/39,432,642.84 = 8,091,646.80/x - Step 3: Cross multiply
26,285,938.08x = 39,432,642.84 × 8,091,646.80 - Step 4: Simplify right side
26,285,938.08x = 319,075,018,251,828.94 - Step 5: Solve for x
x = 319,075,018,251,828.94/26,285,938.08 - Step 6: Final answer
x = 12,138,620.17
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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.