Finding the Fourth Proportional to 21,585,023.57, 32,394,325.14 and 15,065,746.67
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Solution
The fourth proportional to 21,585,023.57, 32,394,325.14 and 15,065,746.67 is: 22,610,338.81
Step by Step Solution
- Step 1: Write the proportion equation
21,585,023.57 : 32,394,325.14 = 15,065,746.67 : x - Step 2: Convert to fraction form
21,585,023.57/32,394,325.14 = 15,065,746.67/x - Step 3: Cross multiply
21,585,023.57x = 32,394,325.14 × 15,065,746.67 - Step 4: Simplify right side
21,585,023.57x = 488,044,696,185,838.06 - Step 5: Solve for x
x = 488,044,696,185,838.06/21,585,023.57 - Step 6: Final answer
x = 22,610,338.81
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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.