Finding the Fourth Proportional to 8,996,697.84, 12,402,529.70 and 6,413,894.58
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Solution
The fourth proportional to 8,996,697.84, 12,402,529.70 and 6,413,894.58 is: 8,841,968.40
Step by Step Solution
- Step 1: Write the proportion equation
8,996,697.84 : 12,402,529.70 = 6,413,894.58 : x - Step 2: Convert to fraction form
8,996,697.84/12,402,529.70 = 6,413,894.58/x - Step 3: Cross multiply
8,996,697.84x = 12,402,529.70 × 6,413,894.58 - Step 4: Simplify right side
8,996,697.84x = 79,548,518,071,637.20 - Step 5: Solve for x
x = 79,548,518,071,637.20/8,996,697.84 - Step 6: Final answer
x = 8,841,968.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.