Finding the Fourth Proportional to 37,778,177.66, 56,677,163.06 and 11,869,432.20
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Solution
The fourth proportional to 37,778,177.66, 56,677,163.06 and 11,869,432.20 is: 17,807,257.68
Step by Step Solution
- Step 1: Write the proportion equation
37,778,177.66 : 56,677,163.06 = 11,869,432.20 : x - Step 2: Convert to fraction form
37,778,177.66/56,677,163.06 = 11,869,432.20/x - Step 3: Cross multiply
37,778,177.66x = 56,677,163.06 × 11,869,432.20 - Step 4: Simplify right side
37,778,177.66x = 672,725,744,258,688.12 - Step 5: Solve for x
x = 672,725,744,258,688.12/37,778,177.66 - Step 6: Final answer
x = 17,807,257.68
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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.