Finding the Fourth Proportional to 26,405,862.62, 36,439,547.40 and 14,643,232.82
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Solution
The fourth proportional to 26,405,862.62, 36,439,547.40 and 14,643,232.82 is: 20,207,360.17
Step by Step Solution
- Step 1: Write the proportion equation
26,405,862.62 : 36,439,547.40 = 14,643,232.82 : x - Step 2: Convert to fraction form
26,405,862.62/36,439,547.40 = 14,643,232.82/x - Step 3: Cross multiply
26,405,862.62x = 36,439,547.40 × 14,643,232.82 - Step 4: Simplify right side
26,405,862.62x = 533,592,776,433,625.69 - Step 5: Solve for x
x = 533,592,776,433,625.69/26,405,862.62 - Step 6: Final answer
x = 20,207,360.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.