Finding the Fourth Proportional to 8,636,386.30, 12,954,595.80 and 2,246,628.40
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Solution
The fourth proportional to 8,636,386.30, 12,954,595.80 and 2,246,628.40 is: 3,369,946.85
Step by Step Solution
- Step 1: Write the proportion equation
8,636,386.30 : 12,954,595.80 = 2,246,628.40 : x - Step 2: Convert to fraction form
8,636,386.30/12,954,595.80 = 2,246,628.40/x - Step 3: Cross multiply
8,636,386.30x = 12,954,595.80 × 2,246,628.40 - Step 4: Simplify right side
8,636,386.30x = 29,104,162,834,800.72 - Step 5: Solve for x
x = 29,104,162,834,800.72/8,636,386.30 - Step 6: Final answer
x = 3,369,946.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.