Finding the Fourth Proportional to 12,993,854.76, 19,484,053.74 and 6,926,956.92
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Solution
The fourth proportional to 12,993,854.76, 19,484,053.74 and 6,926,956.92 is: 10,386,848.50
Step by Step Solution
- Step 1: Write the proportion equation
12,993,854.76 : 19,484,053.74 = 6,926,956.92 : x - Step 2: Convert to fraction form
12,993,854.76/19,484,053.74 = 6,926,956.92/x - Step 3: Cross multiply
12,993,854.76x = 19,484,053.74 × 6,926,956.92 - Step 4: Simplify right side
12,993,854.76x = 134,965,200,883,944.88 - Step 5: Solve for x
x = 134,965,200,883,944.88/12,993,854.76 - Step 6: Final answer
x = 10,386,848.50
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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.