Finding the Fourth Proportional to 56,974,633.24, 85,462,056.80 and 13,843,873.12
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Solution
The fourth proportional to 56,974,633.24, 85,462,056.80 and 13,843,873.12 is: 20,765,835.66
Step by Step Solution
- Step 1: Write the proportion equation
56,974,633.24 : 85,462,056.80 = 13,843,873.12 : x - Step 2: Convert to fraction form
56,974,633.24/85,462,056.80 = 13,843,873.12/x - Step 3: Cross multiply
56,974,633.24x = 85,462,056.80 × 13,843,873.12 - Step 4: Simplify right side
56,974,633.24x = 1,183,125,870,913,433 - Step 5: Solve for x
x = 1,183,125,870,913,433/56,974,633.24 - Step 6: Final answer
x = 20,765,835.66
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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.