Finding the Fourth Proportional to 10,249,240.30, 15,366,862.05 and 4,860,472.30
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Solution
The fourth proportional to 10,249,240.30, 15,366,862.05 and 4,860,472.30 is: 7,287,389.62
Step by Step Solution
- Step 1: Write the proportion equation
10,249,240.30 : 15,366,862.05 = 4,860,472.30 : x - Step 2: Convert to fraction form
10,249,240.30/15,366,862.05 = 4,860,472.30/x - Step 3: Cross multiply
10,249,240.30x = 15,366,862.05 × 4,860,472.30 - Step 4: Simplify right side
10,249,240.30x = 74,690,207,331,946.22 - Step 5: Solve for x
x = 74,690,207,331,946.22/10,249,240.30 - Step 6: Final answer
x = 7,287,389.62
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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.