Finding the Fourth Proportional to 17,258,721.12, 25,881,352.20 and 6,470,141.58
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Solution
The fourth proportional to 17,258,721.12, 25,881,352.20 and 6,470,141.58 is: 9,702,689.55
Step by Step Solution
- Step 1: Write the proportion equation
17,258,721.12 : 25,881,352.20 = 6,470,141.58 : x - Step 2: Convert to fraction form
17,258,721.12/25,881,352.20 = 6,470,141.58/x - Step 3: Cross multiply
17,258,721.12x = 25,881,352.20 × 6,470,141.58 - Step 4: Simplify right side
17,258,721.12x = 167,456,013,015,844.47 - Step 5: Solve for x
x = 167,456,013,015,844.47/17,258,721.12 - Step 6: Final answer
x = 9,702,689.55
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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.