Finding the Fourth Proportional to 8,905,267.68, 12,289,293.05 and 4,830,886.68
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Solution
The fourth proportional to 8,905,267.68, 12,289,293.05 and 4,830,886.68 is: 6,666,636.45
Step by Step Solution
- Step 1: Write the proportion equation
8,905,267.68 : 12,289,293.05 = 4,830,886.68 : x - Step 2: Convert to fraction form
8,905,267.68/12,289,293.05 = 4,830,886.68/x - Step 3: Cross multiply
8,905,267.68x = 12,289,293.05 × 4,830,886.68 - Step 4: Simplify right side
8,905,267.68x = 59,368,182,077,707.13 - Step 5: Solve for x
x = 59,368,182,077,707.13/8,905,267.68 - Step 6: Final answer
x = 6,666,636.45
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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.