Finding the Fourth Proportional to 17,943,638.08, 26,778,140.84 and 16,028,875.84
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Solution
The fourth proportional to 17,943,638.08, 26,778,140.84 and 16,028,875.84 is: 23,920,650.47
Step by Step Solution
- Step 1: Write the proportion equation
17,943,638.08 : 26,778,140.84 = 16,028,875.84 : x - Step 2: Convert to fraction form
17,943,638.08/26,778,140.84 = 16,028,875.84/x - Step 3: Cross multiply
17,943,638.08x = 26,778,140.84 × 16,028,875.84 - Step 4: Simplify right side
17,943,638.08x = 429,223,494,750,393.31 - Step 5: Solve for x
x = 429,223,494,750,393.31/17,943,638.08 - Step 6: Final answer
x = 23,920,650.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.