Finding the Fourth Proportional to 14,272,756.96, 19,696,423.62 and 7,746,386.42
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Solution
The fourth proportional to 14,272,756.96, 19,696,423.62 and 7,746,386.42 is: 10,690,023.58
Step by Step Solution
- Step 1: Write the proportion equation
14,272,756.96 : 19,696,423.62 = 7,746,386.42 : x - Step 2: Convert to fraction form
14,272,756.96/19,696,423.62 = 7,746,386.42/x - Step 3: Cross multiply
14,272,756.96x = 19,696,423.62 × 7,746,386.42 - Step 4: Simplify right side
14,272,756.96x = 152,576,108,452,535.25 - Step 5: Solve for x
x = 152,576,108,452,535.25/14,272,756.96 - Step 6: Final answer
x = 10,690,023.58
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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.