Finding the Fourth Proportional to 11,470,059.60, 15,828,079.92 and 6,312,435.36
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Solution
The fourth proportional to 11,470,059.60, 15,828,079.92 and 6,312,435.36 is: 8,710,829.31
Step by Step Solution
- Step 1: Write the proportion equation
11,470,059.60 : 15,828,079.92 = 6,312,435.36 : x - Step 2: Convert to fraction form
11,470,059.60/15,828,079.92 = 6,312,435.36/x - Step 3: Cross multiply
11,470,059.60x = 15,828,079.92 × 6,312,435.36 - Step 4: Simplify right side
11,470,059.60x = 99,913,731,367,913.97 - Step 5: Solve for x
x = 99,913,731,367,913.97/11,470,059.60 - Step 6: Final answer
x = 8,710,829.31
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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.