Finding the Fourth Proportional to 26,051,966.16, 39,028,624.14 and 17,389,948.06
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Solution
The fourth proportional to 26,051,966.16, 39,028,624.14 and 17,389,948.06 is: 26,051,997.09
Step by Step Solution
- Step 1: Write the proportion equation
26,051,966.16 : 39,028,624.14 = 17,389,948.06 : x - Step 2: Convert to fraction form
26,051,966.16/39,028,624.14 = 17,389,948.06/x - Step 3: Cross multiply
26,051,966.16x = 39,028,624.14 × 17,389,948.06 - Step 4: Simplify right side
26,051,966.16x = 678,705,746,647,862.12 - Step 5: Solve for x
x = 678,705,746,647,862.12/26,051,966.16 - Step 6: Final answer
x = 26,051,997.09
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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.