Finding the Fourth Proportional to 19,520,866.01, 29,249,281.33 and 13,830,933.53
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Solution
The fourth proportional to 19,520,866.01, 29,249,281.33 and 13,830,933.53 is: 20,723,715.11
Step by Step Solution
- Step 1: Write the proportion equation
19,520,866.01 : 29,249,281.33 = 13,830,933.53 : x - Step 2: Convert to fraction form
19,520,866.01/29,249,281.33 = 13,830,933.53/x - Step 3: Cross multiply
19,520,866.01x = 29,249,281.33 × 13,830,933.53 - Step 4: Simplify right side
19,520,866.01x = 404,544,865,875,499.94 - Step 5: Solve for x
x = 404,544,865,875,499.94/19,520,866.01 - Step 6: Final answer
x = 20,723,715.11
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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.