Finding the Fourth Proportional to 43,185,652.25, 64,778,478.56 and 14,431,787.84
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Solution
The fourth proportional to 43,185,652.25, 64,778,478.56 and 14,431,787.84 is: 21,647,681.82
Step by Step Solution
- Step 1: Write the proportion equation
43,185,652.25 : 64,778,478.56 = 14,431,787.84 : x - Step 2: Convert to fraction form
43,185,652.25/64,778,478.56 = 14,431,787.84/x - Step 3: Cross multiply
43,185,652.25x = 64,778,478.56 × 14,431,787.84 - Step 4: Simplify right side
43,185,652.25x = 934,869,258,779,857.38 - Step 5: Solve for x
x = 934,869,258,779,857.38/43,185,652.25 - Step 6: Final answer
x = 21,647,681.82
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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.