Finding the Fourth Proportional to 19,671,021.51, 29,506,532.27 and 5,294,121.99
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Solution
The fourth proportional to 19,671,021.51, 29,506,532.27 and 5,294,121.99 is: 7,941,182.99
Step by Step Solution
- Step 1: Write the proportion equation
19,671,021.51 : 29,506,532.27 = 5,294,121.99 : x - Step 2: Convert to fraction form
19,671,021.51/29,506,532.27 = 5,294,121.99/x - Step 3: Cross multiply
19,671,021.51x = 29,506,532.27 × 5,294,121.99 - Step 4: Simplify right side
19,671,021.51x = 156,211,181,312,781.03 - Step 5: Solve for x
x = 156,211,181,312,781.03/19,671,021.51 - Step 6: Final answer
x = 7,941,182.99
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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.