Finding the Fourth Proportional to 6,475,496, 8,927,877.12 and 5,309,646.80
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Solution
The fourth proportional to 6,475,496, 8,927,877.12 and 5,309,646.80 is: 7,320,500.88
Step by Step Solution
- Step 1: Write the proportion equation
6,475,496 : 8,927,877.12 = 5,309,646.80 : x - Step 2: Convert to fraction form
6,475,496/8,927,877.12 = 5,309,646.80/x - Step 3: Cross multiply
6,475,496x = 8,927,877.12 × 5,309,646.80 - Step 4: Simplify right side
6,475,496x = 47,403,874,181,001.21 - Step 5: Solve for x
x = 47,403,874,181,001.21/6,475,496 - Step 6: Final answer
x = 7,320,500.88
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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.