Finding the Fourth Proportional to 20,803,595.04, 31,208,377.68 and 6,427,918.08
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Solution
The fourth proportional to 20,803,595.04, 31,208,377.68 and 6,427,918.08 is: 9,642,799.47
Step by Step Solution
- Step 1: Write the proportion equation
20,803,595.04 : 31,208,377.68 = 6,427,918.08 : x - Step 2: Convert to fraction form
20,803,595.04/31,208,377.68 = 6,427,918.08/x - Step 3: Cross multiply
20,803,595.04x = 31,208,377.68 × 6,427,918.08 - Step 4: Simplify right side
20,803,595.04x = 200,604,895,136,740.47 - Step 5: Solve for x
x = 200,604,895,136,740.47/20,803,595.04 - Step 6: Final answer
x = 9,642,799.47
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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.