Finding the Fourth Proportional to 16,120,958.74, 22,246,924.46 and 8,778,789.68
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Solution
The fourth proportional to 16,120,958.74, 22,246,924.46 and 8,778,789.68 is: 12,114,730.52
Step by Step Solution
- Step 1: Write the proportion equation
16,120,958.74 : 22,246,924.46 = 8,778,789.68 : x - Step 2: Convert to fraction form
16,120,958.74/22,246,924.46 = 8,778,789.68/x - Step 3: Cross multiply
16,120,958.74x = 22,246,924.46 × 8,778,789.68 - Step 4: Simplify right side
16,120,958.74x = 195,301,070,817,293.59 - Step 5: Solve for x
x = 195,301,070,817,293.59/16,120,958.74 - Step 6: Final answer
x = 12,114,730.52
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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.